Verify the title ownership legal heirs if any lot many things extreme due diligence is required. Seek peofessional advice do not jump like that. It requires utmost care and caution, any lapse you will be in real trouble and if you do not have the legal expertise you won't be able to know whether transaction is going to be clean.
plots/properties for various land uses such as industrial/ commercial/ institutional/ residential/group housing/ housing are made by the Authority under various schemes advertised from time to time. The procedure for allotment and eligibility of the applicants are contained in the brochure of the schemes. The details of the current scheme (s) are available on web site of the Authority i.e. noidaauthorityonline.com.