DIBRUGARH/DHEMAJI/LIKABALI/TINSUKIA/SADIA/ROING(ASSAM/ARUNACHAL PRADESH), April 11 -- Maja Pegu worked as a smalltime contractor and earned around ~20,000 monthly until the 4.9-km Bogibeel Bridge over the Brahmaputra was opened in December and connected his isolated Kolajan village in Assam's Dhemaji district to Dibrugarh, the region's main city 40 km away....