Complex sentence: Sahatwar, Sheikhpur, and Sikanderpur are also very old towns of Ballia, populated during the reign of Feroze Shah Tughlaq where famous Muslim saints came and inhabited the area and served Muslims and non-Muslim alike.
Split into simpler sentences: Sahatwar, Sheikhpur, and Sikanderpur are also very old towns of Ballia, populated during the reign of Feroze Shah Tughlaq. At that time many famous Muslim saints came and inhabited the area and served Muslims and non-Muslim alike.