Clarification on hakka soda patra hissa 7/12

40 guntta land of Grand mother distributed equally in her 5 sons and 3 daughters. out of that 5 sons and 1 daughter transfer their share in my name (to one nephew) through registered hakka sod patra so now my question is that how this will reflect in 7/12 because there is no indication on 7/12 regarding the hissa of each person.(there are till total 6 names in 7/12 1 aunt and 4 child of second aunt was died and myself. As per the Hakka soda my hissa is 5 guntta plus other hakka sod in my name is 25 guntta total 30 guntta. and the hissa of remaining is 5 guntta each.and who is the authorised person will give order to indicate the hissas on 7/12 pl.advice.