a house to live & become home can be built only under personal supervision /check over the contractor.
am not sure about Kamra area, for KHI I prefer Arif Ashray as designer, Ghani Associates as architect & a private building contractor, for Lahore & RWP/ISB I know the best Nayyar Ali dada saheb, & again a private contractor.
I suggest contact - @fazalwahab11375 for guidance am sure he knows the area topography and will be glad to help find reasonable people.
last but not least, a house to build and become home not only need cautious planning, money stream and regular presence of person supplying that stream. or else that is only an structure with absence of passion required to build a home.