New Delhi, Sep 08 (ANI): President of BJP's Delhi Unit Satish Upadhyay on Monday reacted to the controversy which took birth from a sting operation video revealed by Aam Aadmi Party showing horse-trading by BJP leader Sher Singh Dagar. Upadhyay said that BJP will ask for a clarification from Dagar with relation to the entire course of events. He added that Arvind Kejriwal cannot be believed on any grounds because he has always been putting baseless allegations.