Bengaluru, Feb. 10 -- Defence minister Rajnath Singh on Sunday threw his weight behind India's ambitious plan to develop an indigenous fifth-generation stealth fighter, or the advanced medium combat aircraft (AMCA), to meet the future needs of the Indian Air Force. "We have taken a firm resolve to manufacture the fifth-generation fighter aircraft within the country," Singh said at a curtain raiser to Aero India 2025, the five-day airshow which begins here on Monday. He will inaugurate the airshow - Asia's biggest - at the Yelahanka airbase. One of the highlights of the airshow will be the display by the Russian Su-57 and American F-35 fifth-generation stealth fighters....