Case is filed under for Partition

Petitioner and Respondent are sisters and both are married. their father having some properties and after the death of their father they sold properties jointly in the year 1980 and 2010 and they both shares the money equally. the respondent has purchased some property registered sale deed in the year 1993&1998 in the name of respondant. now the petitioner has filed the case that require 1/2 share in which is the property purchased by the respondent in 1993&1998 and telling that respondent property is purchased by using the joint family funds. now my query, how they can file and how is accepting case. is this case can be dismissed in senior or Sessions court. as petitioner approaching or file case in the court after more than 20 years. recently i have read in ET, Protest within 12 years or lose property to squatter: Supreme Court. is my case related same or different. https://economictimes.indiatimes.com/news/politics-and-nation/protest-within-12-years-or-lose-property-to-squatter-supreme-court/articleshow/58309301.cms