The 30 students include 13 who were served notices by the FTII management for overstaying.
FTII Director Prashant Pathrabe told reporters in Pune that he has taken "administrative decision" to discontinue services of 82 contract employees, mainly those giving technical support to academic film projects, since classes are not being held at the campus.
"Since classes are not being held due to the strike, there is no justification to keep contract staff engaged," he said.
"It has now been decided to do an as-is-where-is basis assessment of their projects by the faculty," he said, adding that he had consulted the FTII Dean in this regard.
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The move was described by the students as an attempt to "handicap" them and exert pressure to withdraw their strike by threatening their careers.
Students at FTII have been boycotting classes since June 12, demanding removal of newly-elected chairman Gajendra Chauhan, saying that he lacks "academic credentials, vision and stature" to head the premier institute.
One of the students Vikas Urs said they were getting overwhelming support and many other organisations too had similar problems.
They claimed they have done no wrong by raising questions and blamed the government for not acting responsibly and creating an atmosphere of intimidation and hostility.
They also claimed none of the top functionaries of I&B ministry have visited the institute to understand their issues.
The students also claimed that police had filed cases against some students on purely baseless ground.