The BJP’s march in Bengal has been primarily powered by the Rajbanshi and Matua communities, spread across the northern and eastern border regions, respectively.The BJP’s march in Bengal has been primarily powered by the Rajbanshi and Matua communities, spread across the northern and eastern border regions, respectively. The BJP’s march in Bengal has been primarily powered by the Rajbanshi and Matua communities, spread across the northern and eastern border regions, respectively.