Main board IPOs are public offerings by large, established companies listed on major stock exchanges. They provide everyday investors a chance to buy shares before they start trading on the exchange. The key benefits include potential long-term growth, improved transparency, and regulated processes that protect investors. Before subscribing, it’s important to review the company’s business model, financials, growth prospects, and risks.

Important details to check are the issue price (the price at which shares are offered), lot size, and timeline for allotment (when investors find out if they’ve received shares). After the IPO closes, the GMP (Grey Market Premium) often reflects how shares might trade unofficially before listing — a positive GMP usually signals strong demand.

A good company analysis looks at market position, earnings history, competitive advantages, and future plans. This helps investors decide whether an IPO is worth subscribing to based on value and growth potential.