The planarian is any of the species of flatworms that comprise the taxonomic family Planariidae. The non-parasitic planarian is found in various places like lakes, streams, under rocks, and in cave rarely. It has diverse colors of a flat body, from black to white and the size is various too.
India and Mumbai's biggest slum is known as Dharavi. There are a million people crammed into one square mile in Dharavi. At the edge of Dharavi the newest arrivals come to make their homes on waste land next to water pipes in slum areas.haravi has a recycling zone. It is claimed that Dharavi s recycling zone could be the way forward to a sustainable future. Everything is recycled from cosmetics and plastics to computer keyboards. 23% of plastic waste gets recycled in the UK, in Mumbai it is 80%.
Hilsa is a sub-division of the Nalanda district in the Indian state of Bihar well known as a centre of Buddhist knowledge.Located approximately 24 kilometres (15 mi) south-east of the state capital Patna, the area was an important hub during the Indian independence movement and produced many freedom fighters.s of the 2011 Indian census, Hilsa had a population of 162,546. The sex ratio was 851 females per 1000 males. Hilsa has an average literacy of 59.5% with male literacy at 66 per cent, and that for females at 46%.