The Bombay high court of Friday acquitted former Delhi University professor GN Saibaba and five other human rights activists in an alleged Maoist links case.
The Nagpur bench of the Bombay High Court also ordered their immediate release from jail, news agency PTI reported.
Saibaba and others were handed a life sentence on 7 March 2018.
Saibaba, a Professor at Ram Lal Anand College in Delhi University, is wheelchair-bound and his body is ninety percent paralyzed.
A division bench of Justice Rohit Deo and Anil Pansare allowed the appeal filed by Saibaba challenging a 2017 order of the trial court convicting him and sentencing him to life imprisonment.
One of the six acquitted, Pandu Narote, died last August due to swine flu.
Other acquitted persons include Prashant Rahi, Mahesh Tikri, Hem Keshwdatta Mishra and Vijay Nan Tikri.
Saibaba is currently lodged at the Nagpur central prison.
(This is a developing story)