Social relations in rural areas underwent transformations due to Green Revolution. These included:

A. A shift from payment in kind to payment in cash
B. The economic gap between rich farmers and landless labours was low
C. The rise of a 'class of free wage labourers'.
D. An increase in the use of agricultural labour as cultivation because more intensive

Choose the correct answer from the options given below:

A, C and D only

The correct answer is option 3: A, C and D only

A. A shift from payment in kind to payment in cash: Correct. ith increased commercialization and monetization of agriculture, payments to labourers shifted from grain or produce (in kind) to money (cash).
B. The economic gap between rich farmers and landless labours was low . Incorrect.  The Green Revolution actually widened the economic gap, as large landowners benefited much more than small farmers or landless labourers.
C. The rise of a 'class of free wage labourers'. Correct. Many labourers who no longer had access to land became dependent on wage labour, leading to the rise of a rural proletariat.
D. An increase in the use of agricultural labour as cultivation because more intensive. Correct. The introduction of high-yield varieties, irrigation, and fertilizers increased demand for labour.