Regarding asking to return lease deposited amount to me to the landlord after lease period completed

Hello people, This is Jagir Hussain, I am writing to you this on 14th June 2019. I am residing at Chennai. I am living in a leased accommodation for the past 2 yrs and 2 months. The contract of the lease amounting to Rs. 6.5 lakhs had a tenure of 2 years which was completed on 30th April 2019. And, I informed orally to the landlord Mr. Noorullah Basha on 8th March 2019 that I am going to vacate the house on end of the lease period and l asked him to arrange to return my deposited lease amount to me at the time of vacating the house. But he is not still arrange to return the amount to me and asking more time to return the amount. And, I asked him to renew the agreement till the time of arranging the lease amount for to return me. But he is refusing to renew the agreement and he is asking more time to return the lease amount to me. And also my 2 years lease agreement period completed on 30th April 2019 itself. But I am still residing there due to he is not returning my lease amount. Is this any problem for me? Please guide and advice me to how to return back my lease amount from him and when and how to vacate the house from there.