Complex sentence: Madras Engineer Group (MEG) or the "Madras Sappers" are a regiment of the Corps of Engineers of the Indian Army which draw their origin from the erstwhile Madras Presidency army of the British Raj.
Split into simpler sentences: Madras Engineer Group (MEG) or the "Madras Sappers" as they are informally known, are a regiment of the Corps of Engineers of the Indian Army. The Madras Sappers draw their origin from the erstwhile Madras Presidency army of the British Raj.