Since Green Revolution, which crop became the main 'cash crop' in Punjab, Haryana and Uttar Pradesh?

A- Coffee

B- Sugar

C- Maize

D- Millets

E- Wheat

B and E

Farmers of Haryana, Punjab and western Uttar Pradesh had benefited in the late 1960s from the state policies of ‘green revolution’. Sugar and wheat became the main cash crops in the region since then. The cash crop market faced a crisis in mid-eighties due to the beginning of the process of liberalisation of Indian economy