Gujarat is largest producer of Cotton, West Bengal is of Jute and Uttar Pradesh. Following is the list of largest producer states of various commodities in India.
Food Grains
Rice: West Bengal, Andhra Pradesh, Uttar Pradesh
Wheat: Uttar Pradesh, Punjab, Haryana
Maize : Karnataka , Andhra Pradesh, Bihar
Total Coarse Cereals: Maharashtra , Rajasthan, Karnataka
Total Pulses : Madhya Pradesh , Maharashtra, Uttar Pradesh
Total Food grains : Uttar Pradesh, Punjab, Andhra Pradesh
Oil Seeds:
Groundnut: Gujarat, Tamil Nadu , Andhra Pradesh
Rapeseed & Mustard: Rajasthan, Uttar Pradesh, Haryana
Soyabean : Madhya Pradesh, Maharashtra, Rajasthan
Sunflower Karnataka, Andhra Pradesh , Maharashtra
Total Oilseeds : Madhya Pradesh, Rajasthan, Maharashtra
Cash Crops:
Sugarcane: Uttar Pradesh, Maharashtra, Tamil Nadu
Cotton : Gujarat , Maharashtra , Punjab
Jute & Mesta : West Bengal, Bihar, Assam
Potato: Uttar Pradesh, West Bengal, Punjab
Onion: Gujarat, Maharashtra, Karnataka
Related: Potato and Onion Production in India