

A. RESEARCH
PAPERS PUBLISHED IN REFEREED JOURNALS 

1.
Selecting the better of two binomial
populations: Optimal decision rules. Calcutta
Statistical Association Bulletin, 1989, 38,
157167. (jointly with I.D. Dhariyal).
2.
Preservation of phase type distributions under
Poisson shock models. Advances in Applied
Probability, 1992, 24, 223225. (jointly with M.
Manoharan and Harshinder Singh).
3.
Preservation of some ageing properties by order
statistics. Probability In Engineering and
Informational Sciences, 1993, 7, 437440.
(jointly with M. Manoharan and Harshinder
Singh).
4.
Estimation of the smaller and larger scale
parameters of two uniform distributions.
Statistics & Decisions, 1993, Suppl. 3, 115132.
(jointly with Rajesh Anand and Harshinder
Singh).
5.
Estimation of parameters of an exponential
distribution when the parameter space is
restricted. Communications in StatisticsTheory
& Methods, 1993, 22(2), 461477. (jointly with
Harshinder Singh and R.D. Gupta).
6.
Simultaneous confidence intervals for all
distances from the worst and best populations.
Communications in StatisticsTheory & Methods,
1993, 22(11), 30973116. (jointly with I.D.
Dhariyal).
7.
On the UMVUE for estimating the parameter of the
selected exponential population. Journal of the
Indian Statistical Association, 1993, 31(1),
6169. (jointly with G.N. Singh).
Erratum:
On the UMVUE for estimating the parameter of the
selected exponential population. Journal of the
Indian Statistical Association, 1994, 32, 69.)
8.
A note on
confidence intervals and probability of correct
selection: The scale parameter case. Journal of
the Indian Statistical Association, 1993, 31(2),
115123. (jointly with A.N. Gill and S.K.
Sharma).
9.
Nonminimaxity of natural decision rules under
heteroscedasticity. Statistics and Decisions,
1994, 12, 7998. (jointly with I.D. Dhariyal).
10.
Estimation of ordered location parameters: The
exponential distribution. Statistics, 1994, 25,
239249. (jointly with Harshinder Singh).
11.
Simultaneous confidence intervals for all ratios
to the best: The exponential distribution. IEEE
Transactions of Reliability, 1994, 43(1), 6164.
(with Narinder Kumar and A.N. Gill).
12.
Estimating the ratio of the smaller and the
larger of two uniform scale parameters. Journal
of Statistical Computation and Simulation, 1994,
50, 197211. (jointly with A. Mitra, D. Kundu
and I.D. Dhariyal).
13.
On
redundancy allocations in systems. Journal of
Applied Probability, 1994, 31, 100414. (jointly
with Harshinder Singh).
14.
Simultaneous selection of extreme populations:
BayesP* and minimax rules. Communications in
Statistics  Theory & Methods, 1994, 23(7), 1963
1992. (jointly with I.D. Dhariyal).
15.
Simultaneous selection of extreme populations: A
Bayesian approach. Communications in Statistics
 Theory & Methods, 1994, 23(7), 1993 2028.
(jointly with I.D. Dhariyal).
16.
Estimation of the largest location parameter of
exponential distributions. Communications in
Statistics  Theory & Methods, 1994, 23(10),
28652880. (jointly with Rajesh Anand and
Harshinder Singh).
17.
Estimation of the average worth of the selected
subset of gamma populations. Sankhya, Ser.B,
1994, 56, 344355.
18.
Selection
of good populations: The scale parameter case.
South African Statistical Journal, 1994, 27,
1121. (jointly with S.K. Sharma and A.N. Gill).
19.
Some inadmissibility results for estimating
ordered uniform scale parameters. Communications
in Statistics  Theory & Methods, 1995, 24(3),
675685. (jointly with I.D. Dhariyal).
20.
Componentwise estimation of ordered parameters
of k(>2) exponential populations. Annals of
Institute of Statistical Mathematics, 1995,
47(2), 287307. (jointly with G. Vijajasree and
Harshinder Singh).
21.
Selecting the best exponential population when
the scale parameters are bounded. Statistics,
1995, 27, 151158. (jointly with N. Kumar).
22.
Estimation of the smaller and larger scale
parameters of two exponential distributions.
Statistics & Decisions, 1997, 15, 7598.
(jointly with R. Anand and H. Singh).
23.
Simultaneous confidence bounds for the ratios of
scale parameters. Statistics & Decisions, 1997,
15, 165181. (jointly with A.N. Gill and S.K.
Sharma).
24.
On the minimax decision rules in ranking problems. Statistics and
Probability Letters, 1997, 34, 179186.
(jointly with Naveen K. Bansal and E.C. van der Meulen).
25.
On estimation of the common mean of k (≥ 2) normal populations with order
restricted variances. Statistics & Probability Letters,
1997, 36, 261267. (jointly with E.C. van der Meulen).
26.
Estimation after subset selection from exponential populations: Location parameter case.
American Journal of Mathematical and Management Sciences, 1997,
18, 34, 291326. (jointly with Rajesh Anand and Harshinder Singh).
27.
On ranking treatment effects in a general linear model.
Journal of Statistical Planning and Inference, 1999, 78, 111.
(jointly with Naveen K. Bansal)
28.
Estimating the true probability of correct
selection: Two exponential distributions.
American Journal of Mathematical and Management
Sciences, 2001, 21, 109124. (joinly with S.K.
Sharma & A.N. Gill).
29.
A new test of entropy based on overlapping
sample spacings. Communications in
StatisticsTheory & Methods, 2001, 30(7),
14351470. (jointly with E.C. van der Meulen).
30.
On estimation following selection from
nonregular distributions. Communications in
StatisticsTheory & Methods, 2001, 30(12),
25432562. (jointly with E.C. van der Meulen).
31.
Likelihood ratio test for simultaneous testing
of mean and variance of a normal distribution.
Journal of Statistical Computation and
Simulation, 2001, 71(4), 313334. (jointly with
D. Kundu and P.K. Choudhary).
32.
Smooth estimators for estimating order
restricted scale parameters of two gamma
distributions. Metrika, 2002, 56, 143161.
(jointly with I.D. Dhariyal, D. Kundu and P.K.
Choudhary).
33.
Natural estimators for the larger of two exponential
location parameters with a common unknown scale
parameter. Statistics & Decisions, 2002, 20,
6780. (jointly with I.D. Dhariyal & D. Kundu).
34.
Simultaneous multiple comparisons with the worst
and best. American Journal of Mathematical and
Management Sciences, 2002, 22, 115139. (jointly
with S.K. Sharma & A.N. Gill).
35.
On stochastic properties of mspacings. Journal
of Statistical Planning and Inference, 2003,
115, 683697. (jointly with E.C. van der Meulen).
36.
On estimating the mean of the selected normal
population under the LINEX loss function.
Metrika, 2003, 58, 173183. (jointly with E.C.
van der Meulen).
37.
On estimating the largest scale parameter.
Journal of Statistical Theory and Applications,
2003, 2, 255266. (jointly with N. K. Bansal &
G.G. Hamedani).
38.
Nearest neighbor estimates of entropy. American
Journal of Mathematical and Management
Sciences, 2003, 23, 301321. (jointly with H.
Singh, Vladimir Hnizdo, Adam Fedorowicz and E.
Demchuk).
39.
Stochastic comparisons of Poisson and binomial
random variables with their mixtures. Statistics
and Probability Letters, 2003, 65, 279295.
(jointly with H. Singh & E.J. Harner).
40.
Reliability properties of reversed residual
lifetime. Communications in StatisticsTheory &
Methods, 2003, 32, 20312042. (jointly with A.K.
Nanda, H. Singh & P. Paul).
41.
Letter to the editor: Reliability properties of
reversed residual lifetime. Communications in
StatisticsTheory & Methods, 2004, 33, 991992.
(jointly with A.K. Nanda, H. Singh & P. Paul).
42.
The LINEX risk of maximum likelihood estimators
of parameters of normal populations having order
restricted means. Sankhya, 2004, 66, Part 4,
652677. (jointly with S.K. Iyer & H. Singh).
43.
Estimation of the entropy of a multivariate
normal distribution. Journal of Multivariate
Analysis, 2005, 92, 324334. (jointly with H.
Singh & E. Demchuk).
44.
Estimation of order restricted concentration
parameters of von Mises distributions.
Communications in StatisticsSimulations and
Computations, 2005, 34(1), 2140. (jointly with
H. Singh and S. Li).
45.
A subset selection procedure for selecting the
exponential population having the longest mean
lifetime when the guarantee times are the same.
Communications in StatisticsTheory & Methods,
2005, 34(7), 15551569. (jointly with S.
Kumar, E.C. van der Meulen & Y.M. Tripathi).
46.
Some properties of order statistics when the
sample size is random. Communications in
StatisticsTheory & Methods, 2005, 34(11),
21052113. (jointly with A.K. Nanda, P. Paul
and H. Singh).)
47.
JamesStein type estimators for ordered normal
means. Journal of Statistical Computation and
Simulation, 2005, 75(7), 501511. (jointly with
S. Kumar & Y.M. Tripathi).
48.
On some inadmissibility results for the scale
parameter of selected gamma population. Journal
of Statistical Planning and Inference, 2006,
136, 23402351. (jointly with E.C. van der
Meulen and Karlien Vanden Branden).
49.
On estimating the scale parameter of the
selected gamma population under the scale
invariant squared error loss function. Journal
of Computational and Applied Mathematics, 2006,
86(1), 268282. (jointly with E.C. van der
Meulen and Karlien Vanden Branden).
50.
Selecting the least dispersive population.
Journal of Applied Statistical Sciences, 2007,
15(1), 111126. (Jointly with N. Kumar).
51.
Restricted regression estimation in measurement
error models. Computational Statistics and Data
Analysis, 2007, 52, 11491166 (jointly with
Shalabh and G Garg).
52.
Stochastic properties of residual life and
inactivity time at a random time. Stochastic
Models, 2008, 24(1), 89102 (jointly with N.
Gupta and I.D. Dhariyal).
53.
Preservation of some aging properties and
stochastic orders by weighted distributions.
Communications in Statistics  Theory & Methods,
2008, 37(35), 627644 (jointly with N. Gupta
and I.D. Dhariyal).
54.
knnearest neighbor estimators of entropy.
Mathematical Methods in Statistics, 2008, 17(3),
261277 (jointly with R. M. Mnatsakanov, Sh Li
and E.J. Harner).
55.
Stochastic comparisons of multivariate frailty models.
Journal of Statistical Planning and Inference, 2009, 139, 20842090
(jointly with Nitin Gupta).
56.
Use of prior information in the consistent
estimation of regression coefficients in
measurement error models. Journal of
Multivariate Analysis, 2009, 100(7), 14981520
(jointly with Shalabh and G Garg).
57.
Optimal allocation of active spares in series
systems and comparison of component and system
redundancies. Journal of Applied Probability,
2009, 46(1), 1934 (jointly with N. Gupta and I.
D. Dhariyal).
58.
Consistent estimation of regression coefficients
in ultrastructural measurement error model using
stochastic prior information. Statistical
Papers, 2010, 51(3), 717748 (jointly with
Shalabh and G Garg).
59.
Nearest neighbor estimates of entropy for
multivariate circular distributions. Entropy,
2010, 12(5), 1125–1144 (jointly with H Singh
and H Vladimir).
60.
An overview of the concepts and techniques of
data mining. Journal of Indian Statistical
Association, 2010, 48(1), 65102. (jointly with
A Mitra).
61.
Standby redundancy allocations in series and
parallel systems. Journal of Applied
Probability, 2011, 48(1), 4355 (jointly with A
K Mishra and I D Dhariyal).
62.
Active redundancy allocations in series systems.
Probability in Engineering and Informational
Sciences, 2011, 25(2), 219235 (jointly with A K
Mishra and I D Dhariyal)
63.
Reliability
under random operating environment: Frailty
Models. Journal of Combinatorics, Information
and System Sciences, 2011, 35 No. 12, 117133
(jointly with N Gupta and I D Dhariyal)
64.
A note on active redundancy allocations in koutofn systems. Statistics & Probability Letters, 2011, 81, 15181523
(jointly with A K Mishra).
65.
Estimation of Regression Coefficients in
a Restricted Measurement Error Model using
Instrumental Variables.
Communications in Statistics  Theory & Methods, 2011, 40, 36143629
(jointly with Shalabh & Gaurav Garg & Shalabh).
66.
Stochastic properties of conditionally
independent mixture models.
Journal of Statistical Planning and Inference,
2012, 142(6), 1599–1607 (jointly with A K Mishra).
67.
New results on stochastic comparisons of
twocomponent series and parallel systems.
Statistics & Probability Letters, 2012, 82(2), 283–290
(jointly with A K Mishra).
68.
On comparison of reversed hazard
rates of two parallel systems comprising of
independent gamma components. Statistics &
Probability Letters, 2013, 83(6), 1567–1570 (jointly with A K Mishra). 




B. RESEARCH PAPERS PUBLISHED IN
BOOKS/PROCEEDINGS 




1.
Estimation after subset selection from uniform
populations. Frontiers in Probability and
Statistics (Calcutta 1994/ 1995), 1998, 115,
Narosa, New Delhi. ( jointly with H. Singh and
R. Anand ).
2.
Simultaneous
selection of extreme populations: Optimal two
stage decision rules. Advances in ranking and
selection, multiple comparisons, and
reliability, 2005, 143 161, Stat. Ind. Tehnol.,
Birkhäuser Boston, Boston, MA. ( jointly with
I.D. Dhariyal )
3.
Stochastic comparisons and aging properties of
multivariate reversed frailty models.
Proceedings of International Conference on
Mathematical Sciences2007 ( ICMS2007 )
BangiPutrajaya, Malaysia, 200, 9931015 (
jointly with N. Gupta and R. D. Gupta ).













