NEW DELHI, July 25 -- Rajya Sabha on Thursday bid farewell to six lawmakers from Tamil Nadu, one of whom - P Wilson of the DMK - has been re-elected and will return to the Upper House on Friday to begin another term. The retiring Rajya Sabha members - Mohamed Abdulla (DMK), N Chandrasegharan (AIADMK), Anbumani Ramadoss (PMK), M Shanmugam (DMK), Vaiko (MDMK) and Wilson - were felicitated by their colleagues for their role in public life and their interventions in Parliament. Cutting across party lines, MPs highlighted the contribution of the outgoing members, and how they set an example for future leaders through their activism and adherence to ideological issues. "Each one of these members have contributed meaningfully to the deliberations ...