The new multi-mode hand grenades will replace Grenade No 36 of World War I vintage design, which has been continuing in service to date. This is also the first instance of ammunition being manufactured by the private industry in India.
source https://www.jagranjosh.com/current-affairs/indian-army-receives-multi-mode-grenades-made-by-private-sector-replaces-world-war-i-era-ones-1629892808-1