only the owner of house can give premises on leave and license . if however she has a power of attorney from her husband the lady could have given premises on leave and license to you . it is necessary to go through the clauses of agreement signed by you . if agreement mentions that you can terminate agreement by issue of 1 month notice you can do so . the licensor can inspect the house for damages and you can vacate the house and receive your security deposit .
you can contact a local lawyer and issue legal notice to licensor that you are willing to vacate flat on expiry of notice period and to please inspect the flat and return the security deposit .
even if licensor takes legal proceedings against you it would be long drawn process . emails exchanged between parties are admissible in evidence .
in the alternative you can vacate the premises and sue licensor for return of your security deposit .
if the security deposit is substantial inform the licensor that since he has failed to return the security deposit in spite of your willingness to vacate the premises immediately you shall continue to remain in possession till security deposit is adjusted against the rentals . contact a local lawyer before taking any decision as the agreement signed by you has to gone into