Tempsens Instruments IPO Day 1 LIVE: Issue opens today. GMP hints 73% listing pop. Should you apply or not?

The Tempsens Instruments IPO opens on August 20 and closes on August 24, priced between ₹285-300 per share. With a grey market premium of +220, experts forecast a listing price of ₹520, indicating strong anticipation despite some risks related to valuation and market concentration.