“Though this court has upon forming an opinion that BDA was a necessary party and having permitted the BDA to come on record and to file its written statement, while also permitting to produce further documents, has only fortified the judgment in favor of the plaintiffs. The material on record would disclose that in view of the acquisition proceedings in respect of the entire extent of survey no.26, in which the sites belonging to the plaintiffs as well as the defendant may have existed, the circumstance that a corresponding site had been allotted to the husband of the plaintiff no.1, and the formalities of such conveyance having been completed, while the site in respect of which the defendant-appellant was claiming was the subject matter of sale transactions, notwithstanding the acquisition b the BDA and the same not having been conveyed b the BDA even as on date, does not enable the appellant to set up any claim as against the plaintiffs whose right and title has been endorsed b the execution of a sale deed b the BDA….”