To use your Demat account for the first time, you need to follow these steps:
1. Open a Demat account with a registered Depository Participant (DP).
2. Complete the necessary documentation and provide the required identification proofs.
3. Link your Demat account with your bank account for seamless fund transfers.
4. Familiarize yourself with the trading platform provided by your DP.
5. Research the securities you wish to invest in and place your buy/sell orders through the trading platform.