Explanation:

National Agricultural Cooperative Federation of India Ltd. (NAFED)

• NAFED, an apex Organisation under the Ministry of Agriculture, deals with Cooperative marketing of agricultural produce in India.
• NAFED was established in 1958 to promote cooperatives involved in marketing of agricultural produce. 
• It is registered under the Multi State Co-operative Societies Act.
• NAFED is one of the largest procurement as well as marketing agencies for agricultural products in India. 
• NAFED is the nodal agency to implement price stabilization measures under "Operation Greens" which aims to double the farmers' income by 2022.
• Agricultural farmers are the main members of NAFED, who have the authority in the form of members of the General Body in the working of NAFED.

The objectives of the NAFED are:

• to develop marketing, processing & storage of agricultural, horticultural & forest produce, 
• distribution of agricultural machinery, implements & other inputs,
• undertake inter-state, import & export trade, wholesale or retail as the case may be & 
• assist cooperative marketing, processing & supply societies in India. 

In furtherance of these objectives, the NAFED may undertake one or more of the following activities.

• undertake purchase, sale & supply of agricultural inputs & machinery;
• act as warehouseman under the Warehousing Act & construct its own godowns & cold storages;
• act as agent of any Government agency or cooperative institution for supplying agricultural inputs;
• undertake manufacture of agricultural, machinery & implements, processing, packing, etc;
• establish processing units for processing of agricultural & forest produce, wool & allied products;
• undertake grading, packing, standardization, scientific treatment & process of agricultural produce;
• advance loans to its members & on the security of goods.

Hence only statements 1&3 are correct.