New Delhi, Aug. 12 -- Prime Minister Narendra Modi on Tuesday urged Indian nationals to participate in the Har Ghar Tiranga campaign to mark Independence Day on August 15. In a video message the Prime Minister said citizens should also pay tribute to the freedom fighters who fought for India's freedom. ".Come, let us make Har Ghar Tiranga a celebration in every home," he said, calling upon people to celebrate August 15 with pride and honour. He also urged citizens to take a pledge to contribute towards building a "Viksit Bharat". Earlier in the day at the parliamentary party meeting of National Democratic Alliance (NDA) lawmakers, the PM and the MPs waved the tricolour and raised slogans of "Vande Mataram" and "Bharat Mata Ki Jai". Union mi...