TPCC vice-president and former MP Ponnam Prabhakar has alleged that the TRS government, which had attained power by making false promises, had failed to fulfill any of the promises made in the election manifesto during the last four years of its regime in the newly-formed Telangana State. In an open letter addressed to Chief Minister K. Chandrasekhar Rao and a copy of which was released to the media here on Friday, he charged that the TRS, in the name of being a secular party, was cheating the minorities by colluding with the BJP