Complex sentence: Main centres in eastern UP are Tanda, Banaras, Azamgarh, Bhadohi, Mau, Mau Aima etc. While in western UP some of the important are Meerut, Etawah.
Split into simpler sentences: Main centres in eastern UP include Tanda, Banaras, Azamgarh, Bhadohi, Mau, and Mau Aima. In western UP some of the important centres are Meerut, Etawah.