No no, Gayab was taken from that Aftab's story in Darna Mana Hai. Later Gayab was remade in Tamil.
Jeena Sirf Mere Liye (Manasantha Nuvve - Telugu *ing Late Uday Kiran & Reema Sen)
Yeh Dil (Nuvvu Nenu - Telugu *ing Late Uday Kiran & Anita Hassandani, film was unofficial copy of Ghulam & QSQT, first half few scenes were from Ghulam & second half till the climax was QSQT, only climax was changed.)
Shart: The Callenge (Badri - Telugu *ing Pawan Kalyan, Renu Desai & Ameesha Patel, a blockbuster Telugu film that went unnoticed in Hindi.)
Insan (Khadgam - Telugu *ing Srikanth, Prakash Raj & Raviteja. Srikanth's role was played by Ajay Devgn, Prakash Raj's was Akshay Kumar & Tusshar played Raviteja's character. Again a blockbuster Telugu film which failed in Hindi.)
His Mujhe Kuch Kehna Hai was a remake of Telugu Superhit film Tholi Prema *ing Pawan Kalyan & Keerthi Reddy. And yes Tholi Prema had won the National Award for Best feature film in Telugu.
Apart from these his Golmaal, Dhol were remakes of Malayalam films.