FIRs were registered against 11 people, including Turuvekere MLA MT Krishnappa of JDS, Tumakuru Rural MLA B Suresh Gowda and city MLA GB Jyothiganesh, both from BJP.
The project, estimated to cost around Rs 1,000 crore, was commissioned during the Congress-JDS government in 2018, and work started when the Congress came to power in 2023.