Reportedly DMK members staged a walkout in the Rajya Sabha on Tuesday as they were not permitted to raise the issue of hydrocarbon extraction projects in Tamilnadu. Meanwhile House Chairman and Vice President Venkaiah Naidu refused to entertain a point of order raised by DMK MP Tiruchi Siva, MDMK chief Vaiko and others. Furthermore the interjection came during a speech by AIADMK MP Muthurasan. Perhaps the MP stated that he, along with other AIADMK MPs, had met with Prakash Javadekar, Minister of