Jaipur, April 27 -- To fast-track the commencement of operations at auctioned mining blocks, Rajasthan's principal secretary of mines and petroleum, T Ravikant, has urged the Letter of Intent (LOI) holders to promptly submit required documents for key approvals. He flagged delays in obtaining permissions, such as environmental clearance and mining plan approvals, as a major bottleneck slowing down the state's mining sector progress....