i suggest u to keep contact with the existing landlord, say, his/her telephone number, mobile number and address.
Nobody knows if the landlord would "disappear" at what time wor!!
U should call the landlord and talk to him/her and give pressure ah!!
Good luck.
Provided that there is noantecedent breach of any of the terms and conditions herein contained, theLandlord shall refund the Security Deposit to the Tenant without interestwithin 30 days from the date of delivery of vacant possession of the Premisesto the Landlord or settlement of any outstanding payment owed by the Tenant tothe Landlord, whichever is later.