Can a builder hold registry instead of my name for land?

I am going to purchase a 2 katha land (out of 5 katha) with someone who has already acquired 3 katha in the same plot. My point is: A builder has offered me to get 2 katha of land where he already has 3 katha. There will be a new building constructed up to 5 storeys. He told me to issue a cheque or payment directly to him, not to the real owner of the plot, because he wants the registry of the remaining 2 katha land in his name, not mine, as the land is undivided and the passes for map approval will not be granted for the entire 5 katha in this condition. A partnership agreement will be signed between me and him, stating that the 2 katha share is mine, and I have purchased and paid for it, but the registry will be in his name instead of mine.