It’s a marriage solemnised on the ground, gone horribly wrong in the air. Five years after Indian Airlines (IA) was merged into Air India (AI) to form Air India Limited (AIL), the faultlines among its employees are sharper than ever and threaten to pull the entire airline into an abyss. The latest strike by the Indian Pilots’ Guild (IPG), a union that represents pilots from the erstwhile Air India, is a sign of what went wrong after the merger