Hyderabad: The HMDA has decided to develop the 5.5-km P.V. Narasimha Rao Marg, the former Necklace Road, on par with the Tank Bund stretch, in a project costing Rs 6.5 crore. It has floated tenders to procure consultancy services for augmentation and upgradation of the existing five million litres a day, 20 MLD and 30 MLD capacities of the STP …