The last financial year has been good in terms of IPOs. During this period, many investors have gained a lot by booking profits in IPOs like Tata Tech, IREDA to Netweb Technologies, Senco Gold and Motisons Jewellers. But now the financial year is about to end. That means the time is coming to pay tax on the income earned during the last business year. The higher the earnings from the IPO listing, the tax will have to be paid accordingly. But to know how much this tax will be, we will have to understand the method of its calculation. Besides, investors will also be interested to know whether there is any way to reduce the tax liability on this income or not? To know the answers to these questions, let us first understand what are the taxation rules applicable to IPO earnings?