Early bird--By investing in an IPO you can enter in good fundamental company at an initial stage when the price is low.
Long term gains—Long term appreciation of stocks always enhances your return.
Quota discounts—Many large IPO give discounts to retail investors .
Lot size bidding—investors can bid in lots sizes as per their investment capital.
Easy process—applying an IPO is easy online process.
More benefits—Shareholders are entitled to have more benefits like dividends and bonus sharesetc.