The Democratic Youth Federation of India (DYFI), the youth wing of the ruling CPI(M), on Friday lashed out at the Congress party for allegedly allowing Nikhil Paily, the prime accused in the Dheeraj Rajendran murder case, to be a part of its ongoing Bharat Jodo Yatra. DYFI state Secretary V K Sanoj said the Congress allowed Paily to be a part of the foot march to insult the family of 21-year old Rajendran, who was stabbed to death on January…