Made-in-India ATAGS clears field trials With the successful test firing, the DRDO has claimed that India can produce at least 100 ATAGS howitzers in a year of placement of orders. Share Via Email | A+A A- By Express News Service BHUBANESWAR: India on Saturday conducted a series of trials of the fresh batch of Advanced Towed Artillery Gun System (ATAGS) from a defence facility off Odisha coast, paving the way for its early induction in the armed forces. The user specific trials of the gun system, considered to be the best in its class in the world, were conducted from the Proof and Experimental Establishment (PXE), a DRDO test range to validate the fire power of the advanced state-of-the-art howitzer.