The Rani Kingdom was primarily located in the present-day district of Kamrup.
The Rani Kingdom was a kingdom that existed in the Brahmaputra Valley of Assam from the 13th to the 16th centuries. It was founded by the Chutiya dynasty, who were originally from the Kamarupa Kingdom. The Rani Kingdom was a powerful kingdom that controlled much of the Brahmaputra Valley. It was eventually conquered by the Ahom Kingdom in the 16th century.
The Rani Kingdom was primarily located in the present-day district of Kamrup. The district of Kamrup is located in the central part of Assam. It is one of the most populous districts in Assam. The district is home to a number of important historical and cultural sites, including the Kamakhya Temple and the Ugratara Temple.
The other options are incorrect. Option (b), Goalpara, is a district in the western part of Assam. Option (c), Dhubri, is a district in the south-western part of Assam. Option (d), Nagaon, is a district in the central part of Assam.