The correct option is A Ratna
The Green Revolution, in the mid-1960s, was a phase of tremendous increase in food production across the world due to various plant breeding techniques. Several high yielding and disease resistant varieties of wheat and rice were developed during this time.
Jaya and Ratna were the high-yielding, semi-dwarf varieties of rice developed in India.
Kalyan Sona, Sonalika and Sharbati Sonora are different high-yielding and disease-resistant varieties of wheat introduced in India during the Green Revolution.