To purchase any land, plot(s) of land or immovable property or any right or interest therein either singly or jointly or in Partnership with any person(s) or Body corporate or partnership Firm and to develop and construct thereon residential, commercial complex or complex(es) either singly or jointly or in partnership as aforesaid, comprising offices for sale or self use or for earning rental income thereon by letting out individual units comprised in such building(s).