Kolkata: Chief advisor to the chief minister Alapan Bandyopadhyay, who had retired as the chief secretary of West Bengal in May 2021, has been appointed as the chairman of New Town Kolkata Development Authority (NKDA). Bandyopadhyay replaces Debashis Sen who ended his tenure as NKDA chairman on Jan 31. Sen had been the NKDA chairman since 2011. TNN