Lucknow, Oct 24: Uttar Pradesh Chief Minister and Samajwadi Party supremo Mulayam Singh Yadav got a shot in the arm today with the state unit of Apna Dal, headed by Atiq Ahmad and having three MLAs, merging with his party taking its strength in the 403-member house to 190. "Apna Dal has formerly joined us and they are now a part of Samajwadi Party," Yadav told a news agency here. Bureau Report