The correct option is A Rajasthan
The 2018 Vijay Prahar exercise of Indian Army's South Western Command was conducted near Suratgarh in Rajasthan. Over 20,000 troops of the strike formations of the Army engaged in the exercise to fine-tune the joint-manship with the Indian Air Force (IAF). During the exercise, the formations practiced and operationalised certain concepts of operating in the network-centric environment, integrated employment of modern-day sensors with the weapon platforms, employment of attack helicopters in the air cavalry role and a bold offensive of application of the Special Forces.