Detective Byomkesh Bakshy!(2015)

Original title: डिटेक्टिव ब्योमकेश बक्शी!

Byomkesh, fresh out of college, agrees to investigate the disappearance of Bhuvan, a chemist. Assisted by Bhuvan's son Ajit, Byomkesh links the case to a larger conspiracy that will unsettle Calcutta.