IMPHAL, Aug 13: Rashtriya Swayamsevak Sangh (RSS) organised Patriot's Day observation at Lamyanba Shanglen, Palace Compound today. The event was attended by Chairman of MPSC Manipur, L Nishikanta Singh, Prant Karyawaha Kh Rajen Singh and former Dean of Manipur University, Professor W Nabakumar Singh as the chief guest, president and guest of honour respectively.