Biswas went on to do MRCS from England after which he did his MCh on Neuro Surgery from IPGMER, Kolkata. Prior to joining Narayana Multispeciality Hospital Dr. Nilay Biswas was associated with Fortis Hospital as Registrar in the department of Neuro Surgery, he has also worked as Clinical Tutor in the department of Neuro Surgery from 2013 – 2014 , he was also associated with Desun Hospital from 2014 -2015 in the department of Neuro Surgery.