Potter Mohammad Umar Kumar is working enthusiastically and tirelessly at his Nishat unit to meet the huge order of 20,000 earthen lamps before the auspicious occasion of Diwali being celebrated on October 24. The 27-year-old a Kashmiri commerce graduate, Umar, had hit the headlines last year across the globe by claiming that his hand-made glazed pots made of clay are hygienic as compared to the machine-made items from China and America.