Rattled by complaints from various quarters that a boom for Calcutta means a neglect of its twin city, the state government has drawn up an ambitious Rs 800-crore Howrah Rejuvenation Plan.Under the plan, a string of development projects will be undertaken in the next five years in Howrah town, Bally, Shibpur, Belur, Tikiapara, Shalimar and Uluberia.The scheme includes setting up of water treatment plants, storm water drainage systems and a solid waste management mechanism; improvement of the sewerage system; widening and lighting of major roads leading to Howrah station, Delhi Road and Mumbai Road; construction of residential and commercial estates and beautification of parks and gardens.