New Delhi, Feb 26 (ANI): Former Jawaharlal Nehru University professor Chaman Lal on Friday returned the 'Hinditar Bhashi Hindi Lekhak Puraskar' to the Ministry of Human Resource Development Ministry in the wake of ongoing unrest in the varsity. Lal said VC's moral authority will take a hit if he was not able to protect the faculty members, students and staff. Lal also termed the VC's move to allow police to enter the campus as a "disaster".