NEW DELHI : Prime Minister Narendra Modi will participate in the ‘Rashtriya Ekta Diwas’ programme on October 31 in Gujarat’s Kevadia and pay tribute to Sardar Vallabhbhai Patel on his 148th birth anniversary. The PM will visit Kevadia on Tuesday where he will offer floral tribute at the Statue of Unity, as part of his two-day visit to the Gujarat. He will also witness the Rashtriya Ekta Diwas Parade which will comprise marching contingents from BSF and various state police, a statement said.