Republican Party of India leader Prakash Ambedkar has said that Uttar Pradesh Chief Minister Mayawati should not be afraid of Congress if the party prefers to appoint a Dalit as the Prime Minister ahead of the UP polls next year.The grandson of Dalit icon Bharat Ratna Dr. B R Ambedkar also sougt to know whether the BSP President would be unhappy if a Dalit is named to the top post by the Congress, which heads the UPA Government at the Centre.He was speaking to media persons in Nagpur on Saturday. His reaction comes a day after the BSP President’s statement on the issue.