Pulkit Arya, the son of ex-BJP leader Vinod Arya, will undergo narco and polygraph tests in the Ankita Bhandari murder case from February 1-3, Uttarakhand ADG has confirmed. Over 30 questions have been prepared for Pulkit, who is the main accused in the murder. Bhandari was allegedly pushed into a canal by Pulkit and two others in September last year.