A Special Investigation Team (SIT) of the Crime Branch has summoned Kamat for questioning on November 21.
Kamat, a sitting MLA, has moved an application for anticipatory bail before the District Court. The petition would be heard tomorrow.
The Congress leader has been accused of condoning, as chief minister, delay in submission of applications for renewing iron ore mining leases in the state.
Goa Congress president Shantaram Naik told reporters that it seems Kamat, prima facie, used his quasi-judicial powers to condone delay in renewing mining leases.
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"It was a quasi-judicial act, not a crime," he adding, the case against Kamat was purely political in nature.
The Justice M B Shah Commission, which investigated the mining scam, had observed that several mining companies were allowed to fraudulently use the clause of "condonation of delay" for renewal of their leases.
The SIT filed a case in September 2014 against mine owner Prafulla Hede in this connection.
The SIT has questioned several government officials, including former Goa principal secretary (mines) Rajiv Yaduvanshi, in connection with the case.