[Resolved]  Sharekhan — without my permission deduct amount in my account

Address:

Mumbai City, Maharashtra, 400083

I have dmat account last 3 years cust id 1795071 my cre name amit mahantekar. I m selling 1 stock last week small amount 1800 credit to my account.in daily base i m login sherkhan portal and every day i seen my balance amount 1800.
But today my balance is showing 876/- then i call to cre amit he said ur old out standing amt is balance. If any my out standing is balance sherkhan mail me for outstanding every time this is not practical work i think. I m also call in customer service but not satisfactory answer from executive...