Daughters relinquised share can they inherit again after mother died

Father died in 1968 and 3 sisters relinquised their share in favour of B(mother) & two brothers C & D.The following two clauses are reproduced below of R.D. n2.That I as daughter do not claim any right, title or interest in the said house no.65 in Delhi or the lessee rights of the land under the said house no.65 in Delhi which lessee rights have been granted by the government of India,as mentioned above. nn3.That by this deed of Relinquishment I further relinquish my rights to claim any ownership or interest or any share in the said house no.65 in delhi ,or the lessee rights in the plot under the said houseQ The contention of the respondent adv. is that each para has to be read separately as per Supreme Court guidelines and the and as per para 2 & 3 the property has been relinquished forever and it cannot be inherited again by 3 daughters after mother died. Any citation sec 115 Evidense act and section 43 of T.P.act may apply. Can daughters claim their share after mother died