












ASHA GOPALAKRISHNAN, MSc., M.Phil, Ph.D 

Professor
Department of Statistics,
Cochin University of Science and Technology
Cochin682022, Kerala India.
Phone:914842575893(Office),914842862475(Direct), 09447220353(Mobile)
Email asha@cusat.ac.in, asha.gopalakrishnan@gmail.com 

Education
MSc., Cochin University of Science and Technology, 1989.
MPhil, University of Kerala,, 1992.
PhD, Cochin University of Science and Technology, 1996 

Title of the Thesis 

Some Bivariate Lifetime Models in Discrete Time 

Research Interests
Distribution Theory, Reliability Theory 


Positions holding 

Professor, Department of Statistics, Cochin University of Science and Technology, Cochin682 022. 
Positions held 

Associate Professor, Department of Statistics, Cochin University of Science and Technology, Cochin682 022. 

Reader in Statistics, Department of Statistics, Cochin University of Science and Technology, Cochin682 022. 

Senior Lecturer in Statistics, Department of Statistics, Cochin University of Science and Technology, Cochin 682 022. 

Senior Lecturer in Statistics, St Thomas College, Kozhencherry. 
Administrative Positions 

Head, Department of Statistics, 1/03/2014 to 15/12/2014. 

Asst. Warden, Aiswarya Ladies Hostel, 20072009. 

Member, Advisory Committee Women's study centre,Cochin University of Science and Technology, Cochin 682 022 (ongoing). 

Member, Gender Justice Committe, Cochin University of Science and Technology, Cochin 682 022, 20082010. 
Scholarly and Professional activities 
Reviewer 

American Mathematical Reviews 
Refereed for 

Journal of Statistical Planning and Inference 

Communications in StatisticsTheory and Methods 

Communications in StatisticsSimulation and Computation 

ProbStat Forum 

Statistics and Probability Letters 

IEEE transactions in Reliability 

Computational Statistics and Data Analysis 

Journal of Indian Statistical Association 

Statistical Papers 
Resource person for 

Refresher courses sponsored by UGC, AICTE, NCERT 
Projects /Consultancy Completed Successfully 

Principal Investigator of UGC Minor Research Project on Multivariate Geometric Extensions, 2001 – 2002, worth INR. 25,000/. 

Principal Investigator of a major research project “Modelling and Analysis of Preventive Maintenance by Reliability Characteristics” funded by the Department of Science and Technology, Government of India worth of INR. 9,31,085. Duration of the project is 3 years (2006 to 2009). 

CoInvestigator of a major research project “ Reliability Studies on Sonar Transducer Encapsulant Materials” funded by NPOL, Government of India worth of INR. 9,84,500/. Duration of the project is 1 year (20122013). 

CoInvestigator of an ongoing DSTSERB sponsored major research project “Stochastic Modeling of nonlinear Time Series” worth INR. 13.2 lakhs. 

Consultancy for Apolllo Tyres, for a study of absenteeism at Apollo Tyres, Perambra(2015). 
Conferences/Workshops organized 

Organised a National Seminar on "Stochastic Modelling and Analysis" during 2425, March, 2011. 

Organised a Workshop on "R" in Cochin University of Science and Technology, during 1417, February 2012. 

Organized a Workshop on "Official StatisticsIndian Context", on 20th October, 2015. 
Visits 

Visited ISIChennai during 2328, February, 2015 and delivered a talk on Cascading Models. 

Visited ISIDelhi during 27, March, 2015 for research collaboration. 

Visited Dept. of Statistics, University of Calcutta under the UGC DSA visiting scheme and delivered a series of lectures on Relibility Modelling during 2731, March 2016. 
Memberships of Professional/Academic Bodies 

Elected Member, International Statistical Institute, Netherlands 

American Mathematical Society 

International Indian Statistical Association.. 

Indian Society for Probability and Statistics. 

Indian Statistical Association 

Kerala Statistical Association 
Other Academic Extension Activities 

Chair Person, Board of studies, CUSAT. 

Member, Board of Studies,Sacred Heart College, Thevara(Autonomous). 

Member, Board of Studies,The Maharaja Sayajirao University of Baroda, Gujarat. 
Technical Reports 

Project Report on “Modelling and Analysis of Preventive Maintenance by Reliability Characteristics” presented to Cochin University of Science & Technology. 

Project Report on “Reliability Studies on Sonar Transducer Encapsulant Materials” presented to Cochin University of Science & Technology. 

Report on the Analysis of Absenteeism data in Apollo TyresTrichur. 
M.Phil Thesis Supervised 
Name of the Student 
Title of the Thesis 
Year of Completion 
Shiney George 
On HNBUE Class of Distributions 
1999 
Lovely Abraham T. 
Exponential distribution in higher dimensions 
2001 

Doctoral Thesis Supervised 

Doctoral Thesis Under Supervision 
Name of the Student 
Topic of Research Work 
A. Vincent Raja 
Reliability Modelling 
B. Uma Devi 
Reliability Modelling 

List of Publications. (Publications in Referred Journals only) 
1 
N.Unnikrishnan Nair and G.Asha (1994), Characteristic properties of a bivariate geometric distributions by reliability concepts, Journal of the Indian Statistical Association, 32, 111116. ISSN: 05372585 
2 
G.Asha and N.Unnikrishnan Nair (1996), Characterization of bivariate geometric distribution, Calcutta Statistical Association Bulletin, 46, 2328. ISSN: 00080683 
3 
N. Unnikrishnan Nair and G.Asha (1997), Some classes of multivariate life distributions in discrete time, Journal of Multivariate Analysis, 62, 181189. ISSN: 0047259X, 10957243, Impact factor:0.99 
4 
G. Asha and N. Unnikrishnan Nair (1998), Bivariate failure rates in discrete time, Statistical Methods for Quality Improvement, B. Abraham (ed.), 339350. 
5 
G. Asha (2000), Characterizations of the MarshallOlkin bivariate exponential distribution, Statistical Methods, 2(1), 4549. 
6 
G. Asha and P. G. Sankaran (2002), 'A bivariate Geometric model and its properties', Journal of the Indian Statistical Association, Vol.40, 112. ISSN: 05372585 
7 
G. Asha , P. G. Sankaran and N.Unnikrishnan Nair (2003), 'Probability models with constant total failure rate'. Communications in Statistics, Theory and Methods, Vol.32, No.6, 10891099. IISSN: 15324141, 03610918, Impact factor:0.43 
8 
N Unnikrishnan Nair and G Asha (2004), “Characterizations using failure rate and reversed failure rate”, Journal of Indian Society for Probability and Statistics, Vol,8, 4556. ISSN 22779620 
9 
G Asha, N Unnikrishnan Nair and PG Sankaran (2004), “Characterizations using conditional mean Residual life time”, Journal of the Calcutta Statistical Association, Vol,55, 219254. ISSN: 00080683 
10 
N. Unnikrishnan Nair, G. Asha and P. G. Sankaran (2004), On the covariance residual lives. Statistica. LXIV, n3. Pp 573585. ISSN: 19732201 
11 
N. Unnikrishnan Nair, P. G. Sankaran and G. Asha (2005), Characterizations of distributions using Reliability Concepts Journal of the Applied Statistical Sciences, vol14, No 34, pp 237242. ISSN: 10675817 
12 
R P Gupta, N Unnikrishnan Nair and G Asha (2006), Characterizations of Discrete distributions, Far East Journal of Theoritical Statistics, 20(1), 113122. ISSN: 09720863.,Impact factor:0.879 
13 
G Asha and Jagathnath Krishna (2006), A note on the characterizations of generalized MarshallOlkin type Multivariate Pareto distributions, Journal of Indian Statistical Association, 44,2,117125. ISSN: 05372585 
14 
G Asha and Rejeesh C John (2007), On The Boundary Class Of Increasing And Decreasing Reversed Hazard Rate Distribution, Calcutta Statistical Association Bulletin, 59, 233234,115. ISSN: 00080683 
15 
N Unnikrishnan Nair and G Asha (2008), Some characterizations based on bivariate reversed mean residual life, Probstat Forum, Vol 1, 114. ISSN: 09743235 
16 
G. Asha and K.M. Jagathnath Krishna (2008), Modelling and characterizations of a bivariate Pareto distribution, Journal of Statistical Theory and Application, 7(4), 435452.ISSN 15387887 
17 
G. Asha and Rejeesh C. John (2009), Characterizations using generalized reversed lack of memory property, Statistics and Probability Letters, 79(12), 1480487. ISSN: 01677152 , Impact Factor: 0.58 
18 
G. Asha, K.M. Jagathnath Krishna and K.R. Muraleedharan Nair (2009), Characterization of bivariate distributions using residual measure of uncertainty, Journal of Probability and Statistical Science,7(2), 139152.

19 
G Asha and N. Unnikrishnan Nair (2010), Reliability properties of mean time to failure in age replacement models, International Journal of Reliability Quality and Safety Engineering, 17(1) 1526.ISSN: 02185393, 17936446 
20 
G Asha and Jagathnath Krishna K M (2012), Inequality measures for bivariate distributions with load sharing dependence, Calcutta Statistical Association Bulletin, 64(2) 5354.ISSN: 00080683 
21 
G Asha, I. Elbatal and C.J. Rejeesh (2013), Further results on discrete mean past life time, Communications in StatisticsTheory and Methods, 45(4), 10811098.ISSN: 15324141, 03610918, Impact factor:0.43 
22 
G Asha and Rejeesh C John (2014), Characterizations using past entropy measures, Metron, DOI 10.1007/s4030001400530.
ISSN: 00261424 , Impact Factor: 0.222 
23 
I. Elbatal, G Asha and A Vincent Raja (2014), Transmuted exponentiated Frechet distribution: Properties and Applications, Journal of Statistics Applications & Probability, 3(3) 379394. ISSN: 20908423, 20908431 
24 
Sreelekshmi N, G Asha and K.R. Muraleedharan Nair (2014), On inferring inequality measures using Lmoments, Economic Quality Control (Accepted). ISSN: 09405151, 18696147 
25 
G. Asha, Jagathnath Krishna K. M. and D. Kundu(2016), An extension of the Freund's bivariate distribution to model load sharing systems, American Journal of Mathematical and Management Sciences(To appear). 
26 
G. Asha and Vincent Raja A.(2016), An extension to the Fruend's bivariate distribution to model cascading failures, Communications in StatisticsSimulation and Computation(To appear). 

Conferences/Workshops participated 
1 
The National Seminar on Statistical Methodology and New Applications at Department of Statistics, Bangalore University, Bangalore. January 2729, 1994. 
2 
The XV Annual Conference of ISPS held at Department of Statistics, Manonmaniam Sundaranar University, Thirunelveli. December, 2123, 1994. 
3 
The International Conference on Quality Improvement through Statistical Methods'. The Cochin University of Science and Technology, Cochin22. December, 2831, 1996. 
4 
One day Seminar and Annual Conference of the Kerala Statistical Association, The Department of Statistics, Maharaja's College, Ernakulam, March6, 1999. 
5 
The U.G.C sponsored National Conference on Statistics held at St.Thomas College, Pala, March 1820, 1999. 
6 
The National Conference on Reliability Analysis held at the Department of Statistics, Cochin University of Science and Technology, Cochin22. December 2829, 1999. 
7 
The National Seminar on Probability models and Applied Statistics'. Department of Statistics, University of Calicut, Calicut. February 2425, 2000. 
8 
The International Conference on 'Order Statistics and extreme values. Theory and Applications' Department of Studies in Statistics University of Mysore. Mysore570006 India, December 1820, 2000. 
9 
The International conference on Statistics in Industry, held at Department of Statistics.
Cochin University of Science and Technology Dec 2002. 
10 
The International Conference on Reliability, Statistics and related fields, held at Indian Institute of Management, Kozhikode during Jan 79, 2005. 
11 
.25’th Conference of Indian Society for Probability and Statistics & Annual meeting of Indian Bayesian Society, held at held at the department of Statistics, Banglore University during Dec 2830, 2005. 
12 
National Seminar on Modeling and Analysis of lifetime data, held at the department of Statistics, Cochin University of Science and Technology, Cochin during Feb 2022, 2006. 
13 
Workshop on Women and Health literacy in Kerala held at the department of Statistics, Cochin University of Science and Technology , Cochin during Jul 2829, 2006. 
14 
IISA Joint statistical Meeting and International Conference on Statistics, Probability and related Areas held in Cochin, Jan 25, 2007. 
15 
IISA Workshop on Financial Mathematics, Cochin, January 6, 2007. 
16 
National Seminar on Statistical Methods and Reliability Analysis, , Department of Statistics, Cochin University of Science and Technology, Cochin, India, during January 2830, 2008 
17 
International Symposium on Probability Theory and Stochastic Processes, Department of Mathematics, Cochin University of Science and Technology, Cochin22, during February 6–9, 2009, 
18 
XI Annual Conference of the Society of Statistics, Computer and Applications, Department of Statistics, University of Madras, Chennai, India, during February 2426, 2009. 
19 
Two days workshop on Statistical Genetics, Department of Statistics, Cochin University of Science and Technology, Cochin, India, during December 2930, 2009. 
20 
Key Note Speaker for one day seminar held at Ernakulam Collectrate, Organized by the Economics and Statistics Department, Government of Kerala as a part of celebrations of Statistics Day on 29’July’2010. 
21 
Three days workshop on Reliability Theory and Survival Analysis, Department of Mathematics, IIT Bombay, Mumbai, India, during November 2527, 2010. 
22 
Delivered a Key Note Speech for one day seminar held at Ernakulam Collectrate, Organized by the Economics and Statistics Department, Government of Kerala as a part of celebrations of Statistics Day on 29’July’2011. 
23 
Attended the National Seminar on Stochastic Modelling and Analysis held at CUSAT during 24 25, March 2011. 
24 
An invited talk in the State level seminar on Experimental Design and Self Similarity, Department of Statistics, Newman College , Thodupuzha on 3rd August,2011 
25 
Attended Workshop on Reliability Theory and Survival Analysis, Nov 2327, 2011 at ISI, Kolkatta. 
26 
Attended an Annual convention of Indian Society for Probability and Statistics (ISPS) and International Conference on Statistics, Probability and related areas, CUSAT, December 1922, 2011. 
27 
Attended Workshop on R, CUSAT, February 1417, 2012. 
28 
Presented the invited paper 'An extension of the Freund's bivariate distribution to model load sharing systems' at the International Symposium on Business and Industrial Statistics(ISBIS2012) held in Bangkok, Thailand, june1721. 
29 
Attended a Workshop on Simulation Model Developement, CUSAT, December 1719,2012. 
30 
Attended a Workshop on Statistical Analysis of Time Series Data with Applications, CUSAT, January 1416, 2013. 
31 
Attended UGC sponsored residential workshop on "Capacity Building for Women managers in Higher Education: Sensitivity AwarenessMotivation", 2125 Jan, 2013: Organized by WSC, CUSAT. 
32 
Invited speaker at the National Seminar on "Modern Statistical Tools in Fisheries", School of Industrial Fisheries, Cochin University of Science and Technology, Mar79,2013. 
33 
Attended a Workshop on Reliability Theory and Survival Analysis, CUSAT, December 31 – January 2, 2014. 
34 
Participated in International Workshop on Reliability and Time Series Methodology Relevant to Business and Industry, CUSAT, January 57, 2015 
35 
Delivered a talk on "Statistics in Reliability" at Annual Conference of Kerala Statistical Association, Department of Statistics, Sree Kerala Varma College Thrissur, January 9,2015. 
36 
Attended one day workshop on Statistical Methods for "Analysis of Business Data", Dept. of Statistics, CUSAT, 7th February 2015. 
37 
Delivered a technical session on "Laboratory Experiments Research, Design of Experiments, Concepts of Sampling and Hypothesis Testing", Govt. Engg. College Trivandrum, 31st July 2015. 
38 
Organized and attended one day workshop on "Official StastisticsIndian Context", 20th October, 2015, Dept. of Statistics, CUSAT. 
39 
Participated and delivered an invited talk on International Society for Business and Industrial Statistics(ISBIS) 2016 conference,810, June 2016, UPC Barcelona, Spain. 



Courses Taught 
Probability Theory 
Survival Analysis 
Stochastic Processes 
Multivariate Analysis 
Sampling Theory and Methods 
Reliability Modelling and Analysis 
Probability Distributions 
Design and Analysis of Experiments 
Theory of Estimation 
Applied Statistics 
Testing of Hypothesis 
Statistical Quality Assurance 
Bayesian Inference and Decision Theory 
Mathematical Methods for Statistics 
Multivariate Methods 
Reliability and Life Testing 


Residential Address
Flat No 2A, J M Paradise,(Behind Thejus Auditorium)
Thammanam Road, Palarivattom, Cochin682025. Kerala, India. 







