Providing & fixing of knobset made of stainless steel body, having provision of latch and bolt, 3 nos key set, inside push lock model ETL-101A, Finish SS/PB/AB make-ENOX or any equivalent (Lock should be releasable from out side in case of emergency) as per requirement for unisex toilet for PwD complete as per specifications, Harmonised guidelines for PwD and as desired by engineer-in- charge.