How to invest capital gain on sale of immovable property

Hi, I hope you all are doing good. I am planning to sell my land which was bought by my father long ago. I am a resident of uttarakhand, district dehradun. The details of land are as follows: purchase price- Rs 68000; purchase year- 2003; location- somewhere in dehradun; intended SP-Rs 1.4 cr; selling year- 2024; size of land- 2212 sq yards. Now my financial goal is -a low risk investment, with maximum returns, with a minimum of tax liabilities My query are: 1.What would be my capital gain? [2. How](http://2.How) should I invest the capital gain as per my financial goal? 3.I know my financial goal seems a bit tricky to achieve as it requires striking a fine balance between my requirements, which might be quite strategic to acheive, however, I would be pleased to know what financial instruments & schemes should I invest the money in? Thanks Himanshu