Explanations:The Pokharan Range in Rajasthan is a significant location in the history of India's nuclear program. During Atal Bihari Vajpayee's tenure as Prime Minister, India conducted a series of nuclear tests at this site in May 1998. These tests were a landmark event in India's strategic and military history, as they marked the country's emergence as a nuclear power.
The Pokharan Range was chosen for these tests due to its remote and secure location. The area is characterized by vast stretches of desert and is sparsely populated, making it an ideal site for conducting nuclear tests without posing significant risks to the local population or environment. The tests were codenamed "Operation Shakti" and involved a series of underground explosions that demonstrated India's capability to develop and deploy nuclear weapons.
Understanding the significance of the Pokharan Range in the context of India's nuclear program is crucial for students preparing for competitive examinations. The location of these tests is often a point of interest in questions related to Indian history, geography, and national security. It is important to note that the Pokharan Range is not the only site in India with historical significance, but it is specifically associated with the nuclear tests conducted during Atal Bihari Vajpayee's tenure.
Other regions mentioned in the options, such as the North-east of Darjeeling, the Rann of Kutch, and the Western Ghats, are significant for other reasons but are not related to nuclear testing. The North-east of Darjeeling is known for its tea plantations and scenic beauty, the Rann of Kutch is recognized for its salt flats and wildlife, and the Western Ghats are a mountain range known for their biodiversity and ecological importance. These regions, while important in their own right, are not associated with the nuclear tests conducted in 1998.
Therefore, the correct answer is the Pokharan Range in Rajasthan, as it is the specific location where the nuclear tests were conducted during Atal Bihari Vajpayee's tenure as Prime Minister.