__Publications__

26) On characterization of monomial
representations of discrete supersolvable groups
(jointly with Pooja Singla), preprint 2017

25) On monomial representations of finitely generated
nilpotent groups (jointly with Pooja Singla),
preprint 2017

24) Analytic model of doubly commuting
contractions (jointly with T. Bhattacharyya and J Sarkar), Oper.
Matrices 11 (2017), no.1, 101-113

23) Asymptotics of Harish-Chandra expansions,
bounded hypergeometric functions associated to root systems and applications
(jointly with A. Pasquale and S. Pusti), Adv. Math.
252 (2014), 227-259.

22) Lacunary Fourier series and a qualitatibe
uncertainty principle on compact Lie groups (jointly with A. Sitaram), Proc.
Indian Acad. Sci. 121 (2011), no.1, 77-81.

21) Analogues of the Wiener-Tauberian
and Schwartz theorems for radial functions on symmetric spaces, (jointly with
A. Sitaram), Pacific J. Math. 249 (2011),
no.1, 199-210

20) Support theorems on R^n and non compact
symmetric spaces (jointly with Amit Samanta), J. Funct. anal. 259 (2010),
no.10, 2587-2612.

19) Spherical means with centers on a hyperplane in even dimensions, (jointly
with Rakesh) , Inverse Problems 26 (2010), no.3, 035014, 12pp.

18) Segal-Bargmann
transform and Paley-Wiener theorems on $M(2)$,
(jointly with Suparna Sen), Proc. Indian. Acad.
Sci. 120 (2010), no.2. 169-183.

.17) Benedicks' theorem for the Heisenberg
group, (jointly with P. K. Ratnakumar), Proc. Amer.
Math. Soc 138 (2010), no.6, 2135-2140.

16) Wiener-Tauberian
theorems for L^1(K\G/K), Pacific J. Math. 241
(2009), no.1, 117-126.

15) L^p Wiener-Tauberian theorems for M(2),
(jointly with Rama Rawat), Math. Z. 265 (2010), no.2,
437-449.

14) Approximation by K-finite functions
on L^p spaces , (jointly
with Rama Rawat and S. K. Ray), Israel. J.
Math. 161 (2007), 187-207.

13) A spectral Paley-Wiener theorem for the
Heisenberg group and a support theorem for the twisted spherical means on C^n (jointly with S. Thangavelu)
Ann. Inst. Fourier (Grenoble) 56 (2006), no.2,
459-473.

12) Isotopic familes
of contact manifolds for elliptic PDE (jointly
with M. L. Agranovsky), Proc. Amer. Math. Soc. 134
(2006), no.7 2117-2123.

11) Injectivity
of the spherical mean operator on concial manifolds
of spheres (jointly with M. L. Agranovsky)
Siberian Math. J. 45 (2004), no.4

597-605 (special volume dedicated to 75th birthday of Prof. Y. G . Reshetnyak).

10) A local two radii theorem for the
twisted spherical means on C^n
(jointly with M. L. Agranovsky),
Contemp. Math 382 (2005) 13-27 (special

volume dedicated to 60th birthday of Larry Zalcman)

9) An optimal theorem for the spherical
maximal operator on the Heisenberg group (jointly with S. Thangavelu), Israel J. Math., 144 (2004) 211-219.

8) L^p-integrability, supports of Fourier transforms and uniqueness for convolution
equations (jointly with M. L. Agranovsky), J.
Fourier. Anal. Appl.,10(2004)
No.3, 315-324.

7) Multipliers for the twisted Laplacian, Colloq. Math., 97(2003) No.2,
189-205.

6) The heat kernel and Hardy's theorem
for symmetric spaces of noncompact type (jointly with S. K. Ray), Proc. Indian. Acad. Sci ,
112(2002) No.2, 321-330.

5) L^p version of Hardy's theorem for semisimple Lie groups (jointly
with S. K. Ray), Proc. Amer. Math. Soc., 130(2002) No.6, 1859-1866.

4) Injectivity sets for
spherical means on the Heisenberg group (jointly with S. Thangavelu), J. Math. Anal. Appl., 263(2001) No.2, 565-579.

3) Oscillating multipliers on the Heisenberg group
(jointly with S. Thangavelu), Colloq. Math.,
90(2001) No.1 , 37-50.

2) Oscillating multipliers for some eigenfunction
expansions (jointly with S. Thangavelu), J. Fourier Anal. Appl., 7(2001) No.4, 373-394.

1) On the equisummability of
Hermite and Fourier expansions (jointly
with S. Thangavelu) , Proc. Indian. Acad. Sci., 111 (2001) No.1 , 95-106.