is SBI provides any trading account like others brokers. can deal without brokers?

yes sbi is providing trading facility.. but they r also brokers..

sbi is offering demat services.. it provides a 3 in 1 account where savings bank a/c , demat a/c and online trading account are all combined .. we can use the demat services online using thr site www.onlinesbi.com .. using this site we can view our holdings , transaction statements .. etc