The class number of Q(√−pq)  for a congruent number pq (with Anupam Saikia), Accepted in European Journal of Mathematics, 2025.

Sufficient condition for non-congruent pq and 2pq with primes p and q in the form of 8k+1, Accepetd in Bulletin of Korean Mathematical Society, 2025.

 Families of non-congruent numbers with arbitrarily many triplets of prime factors (with Anupam Saikia), Kyushu Journal of Mathematics, 78 (2024), no. 1, 119–128.

Required condition for a congruent number: pq with primes p ≡ 1 (mod 8) and q ≡ 3 (mod 8), Journal of Number Theory. 263 (2024), 139–152. 

A Heron triangle and a Diophantine equation (with Debopam Chakraborty, Vinodkumar Ghale), Period. Math. Hungar. 86 (2023), no. 2, 530–537. 

A necessary condition for p and 2p to be congruent for a prime p≡1 (mod8) (with Anupam Saikia), J. Pure Appl. Algebra227(2023), no. 7, Paper No. 107335, 12 pp.

On the 2-part of the class number of Q(√±D)for a congruent number D  (with Anupam Saikia), Res. Number Theory8(2022), no.4, Paper No. 78, 9 pp.

Families of even non-congruent numbers with arbitrarily many pairs of prime factors (with Anupam Saikia), Rocky Mountain J. Math.52(2022), no.2, 471–481.

On θ-congruent numbers over real number fields  (with Anupam Saikia), Bull. Aust. Math. Soc.103(2021), no.2, 218–229.

On the period of the continued fraction of √pq (with Anupam Saikia, Debopam Chakraborty), Acta Arith.196(2020), no.3, 291–302.

Families of non-congruent numbers with arbitrarily many pairs of prime factors (with Anupam Saikia), Integers20(2020), Paper No. A55, 12 pp.

Quantitative bounds on the number of non-congruent numbers of the form 2PQ   (with Yoonjin Lee).

A necessary condition for a congruent number of the form 8k+3 (with Sudipa Mondal).