IRCTC plans to raise ₹635.5 crore by diluting 12.6% equity through an IPO, targeting primarily institutional investors (50%) and retail investors (35%). The company, which operates under Indian Railways, shows strong financials with projected revenue growth and an attractive valuation of ₹7,256 crore based on earnings. The IPO subscription period is from September 30 to October 3, 2019, with a discount offered to retail investors.