Complex sentence: In March 1915, he lectured before the Jama’at in Delhi on the topic "The need for religion" and practised in Lahore during the period August 1916 to 1935.
Split into simpler sentences: In March 1915, lectured before the Jama’at in Delhi on the topic "The need for religion". Practised in Lahore during the period August 1916 to 1935.