NEW DELHI: To boost domestic supply of resources considered essential for clean energy and advanced technologies, environment ministry has set up a separate category on its online clearance portal to speed up approvals for mining projects involving critical minerals, govt told Lok Sabha on Monday.In response to a Parliament question, MoS for environment Kirti Vardhan Singh said mines ministry had in Feb requested faster clearances for such projects, after which the new facility was added to Parivesh 2.0 portal on March 13. This comes after amendments to Mines and Minerals (Development and Regulation) Act, 1957, which gave Centre powers to auction 24 minerals identified as critical and strategic.