Complex sentence: Meanwhile, Byomkesh and Ajit hear the sound of footsteps down stairs, Byomkesh guess that it may be the Maharaj, he came for the investigation of the murder of one of his associate, Haripada Rakshit.
Split into simpler sentences: Meanwhile, Byomkesh and Ajit hear the sound of footsteps downstairs. Byomkesh guesses that it may be the Maharaj, coming to ask them to investigate the murder of one of his associate, Haripada Rakshit.