HDFC Bank — About deactivation process/maintenance charges

Address:

411044

I had HDFC salary saving account 2 year back later i stop credit the amount to my salary account because HDFC blocked my salary account without intimation and whatever amount was there in account that amount also blocked .
Now there is no balance in my salary account & so still bank adding maintenance charge every month. Now its showing -8000 Rs. but, I want to close that account, or reuse without paying charges.
still the account was in blocked state but HDFC bank applying the maintenance changes .
Now I want to close / Deactivate this, HDFC have very good service & Reputation but this type of basic features should be on their
please help me to close my HDFC account .