New Delhi, May 23 (ANI): Marumalarchi Dravida Munnetra Kazhagam (MDMK) chief Vaiko met BJP president Rajnath Singh on Friday and told him that Sri Lankan President Mahinda Rajapaksa's attendance in Prime Minister-designate Narendra Modi's oath ceremony would be the saddest day for Tamils. Talking to reporters, Vaiko said he has urged Rajnath Singh to discuss the issue with Modi and avoid Rajapaksa's attendance in the ceremony, due to be held on May 26.