Complex sentence: Swami Nigamananda had taken a short retirement from his busy work, He has l left Assam Bangiya Saraswata Matha, Jorhat, (Assam) and came to Puri in 1923.
Split into simpler sentences: Swami Nigamananda had taken a short retirement from his busy work. He left Assam Bangiya Saraswata Matha, Jorhat, (Assam) and came to Puri in 1923.