On total directed graphs of non-commutative rings. - Kukil Kalpa Rajkhowa; Helen K. Saikia (AKCE Int. J. Graphs Comb., 2017)

Center of intersection graph of submodules of a module. - Kukil Kalpa Rajkhowa; Helen K. Saikia (AKCE Int. J. Graphs Comb., 2019)

Laplacian and Wiener index of extension of zero divisor graph. - Pallabi Bora; Kukil Kalpa Rajkhowa (Discret. Appl. Math., 2024)

On definition of group homomorphism graph. - Bikash Barman; Kukil Kalpa Rajkhowa (Discret. Math. Algorithms Appl., 2024)

Intersection non-simple graph of an abelian group. - Nepur Ranjan Hazarika; Bikash Barman; Kukil Kalpa Rajkhowa; Pallabi Bora (Discret. Math. Algorithms Appl., 2025)