im in need of some information regarding a property in my family. My deceased mother had purchased a site from the co-operative housing society in bangalore in 1987. Subsequently she constructed a house. She passed away in 1998 and by virtue of will and legal succession I'm the entitled owner of that property which I have since rented out and still in my possession. I'm the legal successor and legal heir to the deceased property estate as per the Will of testament and succession certificate. However, A week ago I got a call from one staff of the housing society enquiring about my deceased mother and the status of the property which she bought. During the conversation it came to my knowledge that the sale was excited as a conditional sale deed with the condition that it should not be sold to a third party in a specific number of years (ie within 10 yrs). But now I have been asked by the staff to pay an amount of 1 crore to register the site in my name since it was on a conditional sale deed. I don't understand why because the site has been properly registered with evidence of encumbrance certificate and maths registration and paid property tax since the purchase and even after her death. On further conversation the staff said he would consider the situation and asked me to pay only 23lakhs calculated on the rate as per 1997and not 2015, to register it in my name and make it an absolute sale deed or else I was liable to pay the said aforesaid penalty of 1crore calculated as per today's land rate and registration rate. I'm confused. Could somebody please help me on what the law says.