Hyderabad: Disgruntled BRS MLAs Thatikonda Rajaiah and Muthireddy Yadagiri Reddy, who were nominated chairpersons with Cabinet rank on Thursday in lieu of Assembly tickets, stayed silent on Friday, raising questions on whether they would cooperate for the party's victory. Chief Minister K.Chandrashekar Rao late on Thursday had issued orders appointing Rajaiah as chairman of Telangana Rythu Bandhu Samithi and Yadigiri …