LUCKNOW, Jan. 16 -- Uttar Pradesh minister Siddharth Nath Singh on Tuesday claimed that Rashtriya Janata Dal (RJD) vice-president Tejashwi Yadav has struck a deal with Samajwadi Party chief Akhilesh Yadav, which would hamper BSP chief Mayawati's ambition of becoming the Prime Minister in the upcoming Lok Sabha election....