<P> Amongst the major celebrities who have shown their support for Narmada Bachao Andolan are Booker Prize winner Arundhati Roy and Aamir Khan . </P> <P> In 1994 was the launch of Narmada: A Valley Rises, by filmmaker Ali Kazimi . It documents the five - week Sangharsh Yatra of 1991 . The film went on to win several awards and is considered by many to be a classic on the issue . In 1996, veteran documentary filmmaker, Anand Patwardhan, made an award - winning documentary: A Narmada Diary . Alok Agarwal, current member of the Aam Aadmi Party, is an active figure in the movement . </P> <P> Bihar CM Nitish Kumar participated in rally organised by NBA on the bank of Narmada at Rajghat on 16th Sep 2016 . Expressing solidarity with the Andolan Mr. Nitish Kumar said "I have come from Patna to extend support to the agitation on the side of river Narmada here". </P> <P> Supporting the NBA's main demand CM Nitish Kumar appealed to PM Mr Modi at Rajghat saying "Pradhan Mantri ji, don't close the gates of Sardar Sarovar Dam . Rehabilitate people not by giving cash, but giving them alternative land / employment . Don't make plans to drown 2.5 lakh people by closing the gates," he said in a statement released in Barwani . </P>

What was the primary reason for launching narmada bachao andolan