There are major varieties in onions example agri found,dark red,light red,Pusa white,garva there are certain varieties of yellow onion that are suitable for export in European countries, Maharashtra ranks first in onion production with the share of 42.53% the grade designation and quality development parameters have also been set up for the identifying quality Onions. Packing size Holy depends on the importing buyer and country requirement generally Sri Lanka 25 kg Malaysian Indonesia 10 kg Singapore 8 kg in Gulf countries 5 kg to 20 kg different sizes of onions required by different countries like the Middle East and Gulf 40 to 60 mm Malaysia Singapore African part Sri Lanka size in 25 to 30 mm onion consumption has also been reported to have anti-proliferative,effective in cancer and helps to improve metabolism.