For System Settings- MSTC Helpdesk :: 07969066600

For technical issues regarding bid submission- MSTC Guwahati :: 0361-2221199

For validation of technical documents and Site Visits and other information related to mine block- Smt. Barnalee Nath, Jt Director, Directorate of Geology and Mining, Assam:: 9435104508 (Only for Assam Geology and Mining auctions) Office Timing 10:00-17:00 on working days.