Upon notice, respondent nos. 1 & 3 appeared and filed their separate written statements as well as counter-claims. Respondent no.1 had alleged that Inder Singh had got passed the decree in question on 21.12.1983 and in case, the Court concludes that the same required registration, she was ready to get the same registered as per law. It was pleaded that at the time of sanction of mutation no.2856 on the basis of the said decree on 2.5.1984, the appellants were present and they had admitted to the change in the revenue record and never objected to the same and, therefore, they were estopped by their own act and conduct from filing the instant suit. It was further pleaded that the appellants themselves got the mutation of inheritance of Jaswant Kaur and, therefore, they had no right to challenge the decree in question. It was averred that even if the Will in question was validly executed, the same stood revoked by way of the subsequent decree having been suffered by Inder Singh. It was further averred that she along with other respondents was in possession of the suit property which was given to them in a family settlement and the Will in