"I have been under imprisonment for the last five years and seven months. The case is yet to come up for hearing and hence far away from coming to any conclusion... The entire case against me is fabricated and supported by stage-managed and planted evidences," he wrote.
In the letter, he alleged that the "Maharashtra ATS created terrorists out of innocent and patriotic lot of sons of soil for the reasons best known to them and their policy matters".
He appealed for an early hearing for himself and others like him who are in jail.
Purohit, arrested in November 2008 for the Mecca Masjid blast in Malegaon, said he has been in jail as an undertrial for over five years without bail and despite the National Investigation Agency (NIA) taking over the case in April 2011, no charge sheet has been filed by it.