I want to check my account balance on net
You need to visit your Bank's website and check your balance from there. Usually banks have such web links mentioned in welcome letters or account opening letters. If you could mention your Bank's name, I could easily help you in giving direct web link from where you could check your balance. Apart from that, depending on your Bank, you can also confirm balance from helpline(requires registration with helpline for some banks) or even via SMS(Depends on whether your Bank have contract with any cellular operator).
State bank of india
The bank of rajasthan