Hyderabad, May 23 :     ITC Agro Tech Ltd has shown a 40 per cent decline in its turnover at Rs 51.40 crore for the financial year 2000 as against Rs 86.65 crore for the corresponding period of the previous year. The company has, however, managed to prune its loss to Rs 9.8 crore from the level of Rs 13.6 crore in the previous year. A company spokesman said ITC Agro Tech has purchased the vanaspati brand Rath from SIEL Ltd to strengthen the company's position in the cooking medium market in the country. The market share of Sundrop, its sunflower oil brand, has improved by 1.3 percent to 16.4 per cent in the year.