Angel Broking deals with the trading and investment, your money to the best companys stockes as you want with a low brocrage charge by charged them.
They have facilities also for Mutual fund in which you can only give or invest money to Angel Broking and they would buy best 25 companies shair behalf of you and after some amount of time you can withdrew your money with better return. But you can also withdrew your money in emergency as you want and you may not gain profit.
When your income is high or cross some exceed limit they would charge little bit more in Return on Investment in percentages.
Their branch in all over the country .
On the time of opening DEMAT account you can also see their goverment certifite licience that make you sure that the company is not froud. You can invest through them.
My Recomendation please open a DEMAT account with any of brocker company not only ANGEL BROKING, SWASTIKA ,  SAMKO and many more.
If you are deposited your money to bank for saving withdrew it and invest it any companys share to get Return on Investment.
Bank gives you 4 to 5 percent , but you can get 30 to more then 100 percent by investing . Before invest make sure you are investing for good company which getting profit regular and see their performance in graph of last 10 years.