"The students will be sitting on an indefinite hunger strike if our demands are not met by the government which has put us in this situation. There is no option left," FTII Students' Association (FSA) representative Vikas Urs told journalists.
The FSA, however, did not set a date to start the hunger strike.
Meanwhile, amid the continuing stir for his removal, Chauhan called on Minister of State for Information and Broadcasting Rajyavardhan Rathore in New Delhi.
"He was here in Delhi, so he decided to to meet the minister," an official source said adding that the meeting at Shastri Bhawan lasted nearly 15 minutes.
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The strike by students of the prestigious Film and Television Institute of India entered 88th day today with academic activity on the campus on a stand still since June 12 in protest against the appointment of Chauhan, a BJP member, best known for playing the role of Yudhishthir in epic TV serial Mahabharat.
Referring to Das' fast, Urs said it was "extremely disturbing".
"In a democracy we need to be heard on issues raised by us. No official communication has reached us from the (Information & Broadcasting) Ministry on the fast started by Das," Urs said.