MUMBAI, India, June 27 -- Intellectual Property India has published a patent application (201841036673 A) filed by The General Manager, Cordite Factory Aruvankadu, The Nilgiris, Tamil Nadu, on Sept. 28, 2018, for 'perforated bi-modular charge system (bmcs) grain (126 mm length) for 155 mm ammunition.'

Inventor(s) include P. Balasubramanian, Joint General Manager; and N. Sidharthan, Junior Works Manager.

The application for the patent was published on June 27, under issue no. 26/2025.

According to the abstract released by the Intellectual Property India: "The invention is in the field of propellant. In particular, the invention is in Triple Base Propellant grain of Bi-Modular Charge System (BMCS) Rosette geometry with seven holes for 155m...