The Defence Research and Development Organisation (DRDO) claimed on Saturday that it successfully test-fired new tank ammunition – PCB (Penetration-Cum Blast) and TB (Thermobaric) – on January 6, 2016. The tests were conducted at Chandipur in Odisha. Designed for the Main Battle Tank (MBT) Arjun, the new ammunition will “give a quantum leap” in its fire-power, Ministry of Defence claimed.