Pokharan-II refers to test explosions of five nuclear devices, three on 11 May and two on 13 May 1998, conducted by India at the Pokhran test range. These nuclear tests resulted in a variety of sanctions against India by a number of major states.

On 18 May 1974, India exploded its first nuclear device code named Operation Smiling Buddha. After about a quarter century, on 11 May 1998, Operation Shakti was carried out. Shakti was the codename of a thermonuclear device that was exploded in Pokhran as part of Pokhran-II.

The Indian nuclear programme dated back to 1944 when Homi Bhabha established the Institute of Fundamental Research in 1945. Under the long premiership of Nehru, the nuclear programme's infrastructure was carefully established, and much of the weapon related facilities given commissioned in 1950s, most notably Bhabha Atomic Research Centre that operates the CIRUS which was commissioned in 1960.

Atal Bihari Vajpayee (Hindi: अटलबिहारी वाजपेयी, Birth: 25 December 1924 in Gwalior) is a veteran Indian statesman who served as a non congress Prime Minister of India three times, viz. 13 days in 1996, 13 months from 1998 to 1999, and lastly a five year's term from 19 March 1998 until 19 May 2004. A parliamentarian for over four decades, Vajpayee was elected to the Lok Sabha a record nine times, and twice to the Rajya Sabha. He also served as the Member of Parliament for Lucknow, Uttar Pradesh, until 2009, when he retired from active politics due to health concerns. Vajpayee was one amongst the founder members of erstwhile Jana Sangh and had been its president also. He was also the Minister of External Affairs in the cabinet of Morarji Desai. When Janata government collapsed Vajpayee merged his entire party into a fresh party and named it as Bharatiya Janata Party in the interest of nation. A poet-politician Vajpayee has been the liberal face of BJP.

Atal Bihari Vajpayee was born to Krishna Devi and Krishna Bihari Vajpayee on 25th December, 1924 in a respected middle class Brahmin family. His birthplace was Shinde Ki Chhavani, a small town in Gwalior district of Madhya Pradesh (then known as Central Province). His grandfather, Pandit Shyam Lal Vajpayee, had migrated to Gwalior from his ancestral village of Bateshwar, Uttar Pradesh and his father, Krishna Bihari Vajpayee, was a poet and a schoolmaster in his hometown. Vajpayee attended Gwalior's Victoria College (now Laxmi Bai College), and graduated with distinctions in Hindi, English and Sanskrit. He completed his Post Graduation with a (M.A.) degree in Political Science from DAV College, Kanpur, securing first-class. Later he became a full time worker of the Rashtriya Swayamsevak Sangh and served the Rashtradharma, Veer Arjun and Panchjanya newspapers as a journalist. Like other full time workers of the Sangh, Vajpayee never married and decided to dedicate his entire life for the service of the nation.

Rajiv Radheshyam Dixit was an Indian social activist. He started social movements in order to spread awareness on topics of Indian national interest through the Swadeshi Movement, Azadi Bachao Andolan, and various other works. He served as the National Secretary of Bharat Swabhiman Andolan he is the founder of bharat swabhimaan andolan ] He was a strong believer and preacher of Bharatiyata. He had also worked for spreading awareness about Indian history, issues in the Indian constitution and Indian economic policies.

Shri Kasturiranga Santhanam (1895 – February 28, 1980), also known as Kumitithadai Santhanam, was an Indian politician. He was a conservative Iyengar from Tamil Nadu and acquired the appellation 'Pandit' for his erudition.

Santhanam obtained a Master of Arts degree in mathematics from the University of Madras (St. Joseph's College, Trichy) and later a law degree from the Law College of Madras, now known as Chennai. He joined the Indian National Congress and participated in the Indian Independence Movement at an young age and was imprisoned once for that. He was a follower of Mahatma Gandhi and his wife died while at the Gandhi Ashram, while he was in jail. From 1937 to 1942, he was a member of the Imperial Legislative Assembly, and from 1946 was a member of the Indian Constituent Assembly, from 1948 serving as Union Minister for Railways and Transport in Jawaharlal Nehru's cabinet. He stood as a Congress candidate for the House of the People from Mayuram in Tanjore district, but lost to a Communist. In February 1952, he was appointed as the Governor of Vindhya Pradesh.

Yashwant Sinha (born November 6, 1937, Patna) is an Indian politician and a former finance minister of India (1990–1991 under Prime Minister Chandra Shekhar and March 1998 – July 2002 under Prime Minister Atal Bihari Vajpayee) and foreign minister (July 2002 – May 2004) in Atal Bihari Vajpayee's cabinet. He is a senior leader of the Bharatiya Janata Party, currently the largest Opposition party in India.

Born and educated in Patna, Bihar, Sinha received his Masters Degree in Political Science in 1958. Subsequently, he taught the subject at the University of Patna till 1960.He resigned from the BJP vice presidency declaring that he was dissatisfied with the party's action following the defeat in the general elections of 2009

Yashwant Sinha joined the Indian Administrative Service in 1960 and spent over 24 years holding important posts during his service tenure. He served as Sub-Divisional Magistrate and District Magistrate for 4 years. He was Under Secretary and Deputy Secretary in the Finance Department of the Bihar Government for 2 years after which he worked in the Ministry of Commerce as Deputy Secretary to the Government of India.