Gaganam Telugu Full Movie Online HD, A flight takes off from Chennai and destined to New Delhi. It is hijacked by a group of terrorists and the flight is forcibly landed in Tirupati due to a technical snag. The hijackers want the release of their leader Yousuf (a dreaded terrorist). Viswanath (Prakash Raj) is the national home secretary and he negotiates with the terrorists. Raveendra (Nagarjuna) heads the team of National Security Guards. The government decides to release Yousuf and something unexpected happens which leads the entire process to go haywire. The rest of the story is all about how Raveendra plans a strategy and saves the passengers.