Satluj movie controversy: After three decades, the life of KPS Gill, the Supercop hailed for helping end militancy in Punjab and Assam but always shrouded in controversy, is back in the spotlight. The reason is Diljit Dosanjh-starrer Satluj, earlier named Panjab '95, and the sudden removal of the movie from ZEE5. Who was Gill, and what happened in Punjab in 1995?