Eight Indian IPOs debuted with billion-dollar market caps in the last decade, but later fell below. IndiGo Paints and Ujjivan SFB are examples, experiencing significant valuation drops due to various factors. Despite these setbacks, the overall Indian IPO market shows robust growth, raising a record Rs 1.8 lakh crore in CY24. Investor confidence remains high, though the IPO contribution to market capitalization fluctuates.