India has a long agricultural history dating back 10,000 years and is currently the second largest agricultural producer in the world. Agriculture contributes around 16.6% to India's GDP and employs over 52% of the population. Some key states for agriculture are Punjab, Uttar Pradesh, Madhya Pradesh, Haryana, Bihar, Andhra Pradesh, Maharashtra, and West Bengal. The government has implemented various plans to increase investment in agricultural marketing, infrastructure, and research through organizations like ICAR and IARI.