Yes, you can.

https://www.hdfcsec.com/Default.aspx

FAQs

Who can open a securities trading account with HDFC Securities?

Any Indian resident/Non-resident individual (not US-based) or Indian corporate can register with HDFC Securities Ltd for trading.

Currently, overseas corporate bodies (OCBs) cannot open an account with HDFC Securities. To become a registered user of HDFC Securities, you will have to first open a savings/current account and demat account with HDFC Bank.

Are there any registration/account opening charges?

How do I track my application status?

How safe are my user ID and password?

Can I start trading once my account is activated?

How many bank and depository accounts can I link to a trading account?

Do I need an email address in order to open an account with HDFCsec?

How do I become a customer with HDFC securities?

How long does it take to open an account?

What documents are required to open an account?

I have submitted my application, what happens next?

When can I receive the payout of Funds / Securities?

How do I get my user ID and password?

If I have forgotten my password, what should I do?

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Opening a share tradimg account by a pvt. ltd. co.

renu dutt

Yes, you can.

https://www.hdfcsec.com/Default.aspx