Central Mine Planning IPO Day 1 LIVE Updates 2026: Central Mine Planning IPO booked 1% — GMP tepid; should you apply? by Live mint | March 20, 2026 10:26 am | Indian Stocks, Market, News Central Mine Planning IPO Day 1 Live Updates 2026: The initial public offering (IPO) of Central Mine Planning opened for bidding today. This is the second offering by Coal India subsidiary in a span of three months.