Senior Congress leader Ghulam Nabi Azad and CPI(M) general secretary Sitaram Yechury on Friday met JD(U) leader Sharad Yadav in New Delhi. The meeting came in the wake of JD(U) joining hands with BJP to form government in Bihar.There are reports that Mr Yadav is unhappy with the Bihar Chief minister Nitish Kumar's move of walking away of the grand alliance and forming a new government in the State.