Book(s)

• The Functional Analysis of Quantum Information Theory (with P. Mandayam and V. S. Sunder), Lecture Notes in Physics 902, Springer, 2015.

Expository article(s)

• On the topology of certain matrix groups (with Mukund Madhav Mishra), The Mathematics Student, 87 (3-4), July-December 2018, 61 - 71.   (For B.Sc. and M.Sc. students.)

Research articles

• Regular diagonal subfactors (with K. C. Bakshi, Guruprasad and B. Pal), Preprint available at arXiv:2607.13822 

• Angles between intermediate operator subalgebras (with Deepika Sharma), Preprint available at arXiv:2602.03649  

• Relations amongst the distances between C*-subalgebras and some canonically associated operator algebras (with Sumit Kumar). Preprint available at arXiv:2501.13039

• Regular inclusions of simple unital C*-algebras (with Keshab Chandra Bakshi). Münster J. of Math. 18 (2025), 181-200. 

• On various notions of distance between subalgebras of operator algebras (with Sumit Kumar). Münster J. of Math. 17 (2024), 241-272. 

• On possible values of the interior angle between intermediate subalgebras (with Deepika Sharma), J. Aust. Math. Soc. 117 (1) (2024), 44-66. 

• On strong Arens irregularity of projective tensor product of  Hilbert-Schmidt space (with Lav Kumar Singh),   Houston J. Mathematics 48 (2) (2022), 337-351. 

• A few remarks on Pimsner-Popa bases and regular subfactors of depth 2 (with Keshab Chandra Bakshi), Glasgow Math. J. 64 (3) (2022), 586-602. 

• Lattice of intermediate subalgebras (with Keshab Chandra Bakshi), J. London Math. Soc. 104 (5) (2021), 2082-2127. 

• On closed Lie ideals and center of generalized group algebras (with Ranjana Jain and Bharat Talwar), J. Math. Anal. Appl. 502 (1) (2021), 125228.   

• On orthogonal systems, two-sided bases and regular subfactors (with Keshab Chandra Bakshi), New York J. Math. 26 (2020), 817-835.

• A note on irreducible quadrilaterals of $II_1$-factors (with Keshab Chandra Bakshi), Internat. J. Math. 30 (12) (2019), 1950061.

• On closed Lie ideals of certain tensor products of C*-algebras II (with Ranjana Jain and Bharat Talwar), Math. Nachr. 293 (1) (2020), 101-114.

• On Banach space projective tensor product of C*-algebras  (with Ranjana Jain), Banach J. Math. Anal. 14 (2020), 524 - 538. 

• On closed Lie ideals of certain tensor products of C*-algebras  (with Ranjana Jain), Math. Nachr. 291 (8-9) (2018), 1297-1309.

• Operator system nuclearity via C*-envelopes (with Preeti Luthra), J. Aust. Math. Soc. 101 (2016), 356 - 375.

• Drinfeld center of planar algebra (with Paramita Das and Shamindra Ghosh), Internat. J. Math. 25 (8) (2014), 43 pages.

• Affine modules and the Drinfeld center (with Paramita Das and Shamindra Ghosh), Math. Scand. 118 (1) (2016), 119-151.

• Perturbations of Planar Algebras (with Paramita Das and Shamindra Ghosh), Math. Scand. 114 (1) (2014), 38-85.

• Planar Algebra of the Subgroup-Subfactor, Proc. Ind. Acad. Sci. (Math. Sci.). 118 (4) (2008), 583-612.