State Bank Of India [SBI] — Cheque was returned and cannot withdraw cash through sufficient balance in my account

Address: Ahmedabad, Gujarat, 380 058

I am sr. Citizen and having account with sbi bopalbranch of ahmedabad. My cheque was returned though balance was sufficient. Yesterday i personally approched branch manager to withdraw cash but fail with reason insufficient balance in my account. There is 18000 balance but not allow to withdraw rs 2500.
No proper answer was given by branch manager.
Kindly do needful and favore to me as i am 63 yrs old cannot approch in this heat wave.