Ahead of the 75th Independence Day celebrations, Rang Ghar, the famous Ahom historical structure at Sibsagar, Assam, was decked up in the hues of the Tricolour on Monday. Rang Ghar is a double-storey structure from the historical treasures of Asom and was built by Ahom King Swargadeo Pramatta Singha in the 18th century. The entrance of the Rang Ghar has …