Complex sentence: As per the municipal data for 2011, about 83 metric tonnes of solid waste were collected from Vellore every day by door-to-door collection and subsequently the source segregation and dumping was carried out by the sanitary department of the Vellore municipal corporation.
Split into simpler sentences: As per the municipal data for 2011, about 83 metric tonnes of solid waste were collected from Vellore every day by door-to-door collection. The source segregation and dumping was carried out by the sanitary department of the Vellore municipal corporation.