India, Sept. 15 -- India's aerospace and defence manufacturing chain has been reorganising itself around a simple idea: the public sector integrators build the platforms, but more and more of the sub-assembly work moves outward to private suppliers. This "insourcing" route lets defence PSUs add capacity without adding factories, and it has become the main entry point for mid-sized tooling and component firms trying to move up from selling jigs to building actual aircraft structures.

Shares of Techera Engineering Ltd. were trading at Rs. 164.55, up 4.98 percent from previous close of Rs. 156.75. The stock opened at Rs. 162.00, reaching an intraday high of Rs. 164.55 and low of Rs. 162.00. The company currently has a market capitalization...