If the properties are not specified in the suit those property shall not be adjudicated upon, the properties mentioned in the suit for which declaration or partition is sought shall only be decided and if you want to include any other property in the suit then you must file for amendment. The suit to be rejected or not depends on many factors.
A suit for partial prtition is maintainable if you join all the co-sharers. in theri absence the suit fails. I hope the decision of A.P High court rendered in 2019(1) ANDHRA LAW TIMES PAGE 273 might be of some help to solve the riddl(A.S.No 758/1997 decided on 5-10-2018.