Name of the some prominent stock broking firm , where one can apply for Demat Account:-
Kotak Securities
Share Khan Limited
Angel Broking Limited
India Infoline limited
India Bulls
Reliance Money
ICICI Direct
Motilal Oswal Securities
Geojit PNB paribas
Karvy stock broking limited
Religare
SMC global securities limited
Bonanza online
HDFC Securities
Anand Rathi Securities Limited
Here they charge up to rs. 750 to open a Demat Account which you have to pay through cheque and you have to give your broker a cancelled cheque also at which you don't have to fill any amount but "cancelled" .
Apart from these two you ave to pay some amount (; Rs 5000, 6000 etc)  through cheque with which you can trade .
That's all for today.
Bye.