A short video clip shared by industrialist Harsh Goenka has triggered a wide debate online on why India struggles to build global tech giants like Tesla or Apple. The clip, taken from a podcast, features retired Army officer Lt Gen Raj Shukla explaining how China backed BYD with massive funding and long-term planning, helping it emerge as a serious challenger to world's richest man Elon Musk’s company. The video has clocked lakhs of views within hours, with many calling it a “wake-up call” for India’s policymakers and corporate leaders.A $15-billion push that changed the gameSpeaking on a podcast shared by…