DRDO completes trials of indigenous protective carbine Updated: Updated: December 10, 2020 21:05 IST It has successfully met the stringent performance criteria of reliability and accuracy in addition to quality trials Share Article AAA It has successfully met the stringent performance criteria of reliability and accuracy in addition to quality trials A protective carbine designed by the Defence Research and Development Organisation (DRDO) has successfully undergone the final phase of user trials on Thursday meeting all parameters, the company has claimed. In a separate development, an India-Brazil joint venture to manufacture ammunition locally is set to be ready by mid 2021, an official of that country said.