Chennai, May 13 -- The Supreme Court on Tuesday agreed to urgently hear on May 13 a plea filed by Tamilaga Vettri Kazhagam (TVK) MLA-elect Sreenivasa Sethupathi challenging a Madras high court order that restrained him from participating in the Tamil Nadu Assembly, including the crucial floor test and confidence motion scheduled for Wednesday, over a dispute involving a postal ballot in the Tiruppattur constituency. A bench of justices L Victoria Gowri and N Senthil Kumar of the Madras high court had earlier in the day passed the interim order on a petition filed by DMK leader KR Periyakaruppan, who lost the Tiruppattur assembly seat by a single vote and alleged that poll officials mishandled a postal ballot meant for the constituency in Si...