India–Nigeria relations In 1962, the Indian Prime Minister Jawaharlal Nehru made a state visit to Nigeria. In 1999, the democratically elected President of Nigeria Olusegun Obasanjo made a state visit to India and was the chief guest at India's Republic Day celebrations. In 2007, Indian Prime Minister Dr. Manmohan Singh became the first Indian leader to visit Nigeria in 45 years and addressed a joint session of the Parliament of Nigeria. Since the restoration of democracy in Nigeria in 1998–99, its trade with India has increased substantially – climbing from US$293.71 million in 1999–00 to $875 million in 2005–06. As of 2007,
Principal Secretary to the Prime Minister of India Principal Secretary to the Prime Minister of India The Principal Secretary to the Prime Minister of India (PS to the PM; IAST: ) is the senior-most bureaucrat in, and the administrative head of, the Prime Minister's Office. The officeholder is generally a civil servant, commonly from the Indian Administrative Service and occasionally from the Indian Foreign Service. The post is considered one of the most influential in the Indian civil services, and some principal secretaries are considered more powerful and influential than senior government ministers. The Prime Minister's Secretariat (PMS)—headed by an officer of the rank of joint secretary to