If you're planning to apply for a UK tourist visa from Ahmedabad, it's essential to demonstrate that you have sufficient funds to cover your trip expenses. While the UK government doesn't specify an exact minimum bank balance, it's generally recommended to maintain a balance of at least ₹200,000 to ₹300,000 in your bank account. This amount should cover your travel, accommodation, daily expenses, and other costs during your stay in the UK. 

To strengthen your copyright, ensure that your bank statements for the past six months reflect consistent income and savings. Avoid sudden large deposits, as they might raise concerns about the authenticity of your funds.