What are 5th generation fighter jets? Why does India need them?

News Snapshot:

Fifth-generation fighter jets have stealth capabilities and can cruise at supersonic speeds without engaging afterburners. Possessed by just Russia, China and the US, these fighters are the apex predators of the sky. The Cabinet Committee on Security (CCS) gave the go-ahead to indigenously design and develop these planes to boost the Air Force’s prowess Lockheed Martin describes the F-35 as the 'most lethal, survivable and connected fighter jet in the world.' AFP India will finally get 5th generation fighter jets. This after the Cabinet Committee on Security (CCS) gave the go-ahead to a long-standing proposal to indigenously design the craft....