Corporation Bank — lien amount of rs 1121 without notice

I have opend a student sb account in corporation bank when i was a student and based on the staff confirmation it is a zero balance account.in last few months the account become inoperative due to my career and i recently using my bank app n came to know that they put a negetive amount in my account of rs 1121 without any notice and proper reason though i given my contact details it is showing their neglegence and keeping hold in a student account without responsiblity.

I'm providing my account details below please get this account closed and remove the negetive amount from my account as i was not taken any amount rather my balance please help a poor student in this case.

Account name: praveen kumar m
Account number: 52010*55665
Account type: sba
Ifsc code: corp0003091
Branch : bangalore-race course rd
Branch address : corporation bank, g. Floor, no.49, kh anija bhavan, race course road, ben galuru-560001