New Delhi, March 01 (ANI): DMK Chief M Karunanidhi showered praises over the BJP's prime ministerial candidate Narendra Modi, a sign that may hint towards a pre-poll alliance between the two parties. Karunanidhi described Modi as a "hard worker" and a "good friend." DMK chief’s remark has created ripples in an already animated political scene. It is the political season to influence people and win friends, and the BJP is currently winning more than its Congress rival.