Complex sentence: He was a Member of Legislative Assembly of Maharashtra who represented a working-class Mumbai constituency Parel then a communist stronghold, he was murdered in 1970, this was preceded by the burning of the office of the CPI led Girni Kamgar Union.
Split into simpler sentences: He was a Member of Legislative Assembly of Maharashtra who represented a working-class Mumbai constituency Parel, then a communist stronghold. Desai was murdered in 1970, and this was preceded by the burning of the office of the CPI-led Girni Kamgar Union.