Majuli Island on the Brahmaputra in Assam was declared the largest river island in the world, toppling Marajo in Brazil, by Guinness World Records . The river island covers an area of around 880 sqkm.According to Guinness World Records, the island lost around one-third of its area in the last 30-40 years due to frequent flooding of the river.

• Home to an estimated 160,000 people of different ethnic groups, the island is an assembly constituency reserved for scheduled tribes. It was recently declared a district and was earlier a sub-division under Jorhat district. CM Sarbananda Sonowal was elected from Majuli constituency.

• Majuli is the nerve centre of neo-Vaishnavite culture and has been vying for World Heritage Site status. It has been included in the tentative list by Unesco.

About Majuli :

Majuli  is a large river island in the Brahmaputra River, Assam, India. The island had a total area of 1,250 square kilometres (483 sq mi) at the beginning of the 20th century, but having lost significantly to erosion it had an area of only 352 square kilometres (136 sq mi) in 2014. Majuli has shrunk as the river surrounding it has grown.

The island is formed by the Brahmaputra river in the south and the Kherkutia Xuti, an anabranch of the Brahmaputra, joined by the Subansiri River in the north.