"So far, 2 cases have been registered, 6 trucks have been detained and 3 culprits arrested. Police is active and alert. We will leave no stones unturned in catching the culprits. Urea is costly in Mizoram and is sold at a much higher price," said SP Rakesh Roushan. Zakir Hussain Choudhury, district agriculture officer, said that the cost of production of one kg of urea is Rs.22. "Urea is given to the farmers at a subsidized rate fixed by the government. It costs Rs.6 per kg," said the district agriculture officer. Ashim Kumar Dutta, chief mager, marketing, Brahmaputra Valley Fertilizer Corporation Ltd., a government of India undertaking, pointed out the every year 3 to 4 lakh tons of urea are produced, out of which 45 to 50% are used in the tea garden areas. Every year about 30,000 metric tons of urea is used in tea garden areas.