You can obtain the photocopy of the mother deed and the original partition deed (which should have been made in two originals) and on the basis of the mother deed ( a mention about this in the sale deed to be executed to you) and the partition deed the sale deed may be executed and registered in your favor.
To be doubly confirmed and cleared of all doubts, it is always advisable to obtain a legal opinion from a local lawyer before making advance and getting the property registered on your name.