The correct options are
B Farmers now mainly grow chillies and groundnut.
C Farmers used to primarily grow millets, pulses, and a little paddy.
D Farmers are shifting from food crops to cash crops.
The farmers of Salakamcheruvu grow only one crop in the kharif or monsoon season. Earlier, farmers mainly grew millets, paddy, cotton, and groundnut. However, farmers are now shifting to the cultivation of cash crops like chillies and groundnut.