You can increase your buying power by transferring money into your brokerage account or closing any existing positions. To transfer money, you can go to My Account or Funds and click on Add Transfer. The money deposited via UPI or Net Banking will be credited to your trading account and you can use it instantly for your trades.

You can also increase your buying power by  pledging your securities with Arihant. Sounds cool right? Click here to learn more about Margin Pledge.