Municipal Corporation Of Delhi — mental pressure by landlord and not giving my money back

Address:

2324/5 A-2 mandir wali gali,shadipur ,delhi, New Delhi, Delhi, 110008

I stayed 2 days in a flat and now I want to vacate this room ...But landlord has kept 10k of mine and asking for 1 month rent ...Due to some personal reason and suffocating atmosphere I want to vacate..She is not agree to return my money ...She scold me and asked me to give 10k more, I already gave 10k ...This is a 3bhk flat ...She asked me to rent for full flat not for only one room ...Only 2 days I have spent and she is not ready to take 2 days rent and rest to return...Now I'm going through very high pressure n money scarcity...What can I do ?? Please suggest