12.5% ges - title clear property or not

I am Buying a Property in Koperkhaine, Navi Mumbai Sector 19, which is in 12.5% GES and having 50% 50% land with builder and Land owner, I am buying from the 1st owner and society is yet not formed The following documents are available with 1st owner. -Sale agreement with stamp duty paid with builder & 1st owner. -Lease deed with Cidco & Landowner -Cidco giving Deed of Confirmation -Power of Attorney given by Landowner to Builder -Registered Development Agreement by Builder -Title clearance certificate by Advocate -Occupancy Certificate As per 1st owner the Triparty Agreement is not done and this is 6 year old building . Please guide me is this property title is clear to buy and i am buying on Loan will bank provide me loan on the existing documents and which bank.