What were the reasons for the start of numerous movements in 19th century ?

The Indian society  was under the grip of evil customs like  Sati,  Slavery ,female foeticide, ignorance,superstitious beliefs , gender discrimination, caste system etc which were the hurdles for it's development and also were the main reasons  for its colonisation by Britishers .The enlightenment in the latter years gave birth to mass awakening against the British oppression and evil customs.To clean Indian society from every ignorance the social reformers started various movements in India in the 19th century.