A doubt about total account value

i started trading today…i kept 1498.89 rs in two entities and at end of day i got 6.75 rs loss…fhe total value should be 1492.1…but its showing rs.1489.8 in total account value…y its hapoened?

Every trade will have charges associated to it - brokerage, STT, exchange, etc. Your total loss will be including all of that. Check this brokerage calculator. You can also check the contract note that would be sent to you.