Complex sentence: Papadums are mainly made in Rajasthan, Maharastra in the north and in the south, Kerala and Tamil Nadu in Madurai district and Kanchipuram and Chennai are major pappad or appalam manufacturers.
Split into simpler sentences: Papadums are mainly made in Rajasthan and Maharastra in the north. In the south, Kerala, Madurai district in Tamil Nadu, Kanchipuram, and Chennai are major pappad or appalam manufacturers.