I had went in to a registered sale agreement with the owner of a property 2 years ago. For one reason or the other the registration could not be completed. Now I have come to know that lender bank has taken physical possesstion and sold in e Auction and sale certificate is also issued. can I challnge the sale with the bank or the the Person who has purchased since I have registered agreement 2 years back .My name is appearing in EC to support my claim and i have registered sale agreement. Can any body help with the reply immediately