The Defendants case is that there was a bilateral mistake in their sale-deed in respect of the description of the property, for which by a supplementary measure, another registered sale deed has been executed by Paramananda Pani, after that bilateral mistake was detected. So, when they stake their claim over the suit property as the purchaser of the same at a prior point of time than that of the purchase of the Plaintiff, when the Plaintiff’s claims that the suit land was in the share of Laxmidhar Pani, the Defendants claim that the suit land was in the share of Bhagirathi Pani, the brother of Laxmidhar. So, the crucial issue is whether there was a partition of the property between Laxmidhar and Bhagirathi; if at all that, whether the suit property had fallen to the share of Laxmidhar or to the share of Bhagirathi. When the Plaintiff claims to have got the possession of the suit land from Laxmidhar, the Defendants claims to have got the possession of the land from the Purusottam, the son of Bhagirathi. Thus, in order to decide the