India's Nuclear Cooperation Agreements

India signed the 'Action Plan for Prioritization and Implementation of Cooperation Areas in the Nuclear Field' with Russia. This agreement was formalized in the context of India-Russia strategic partnership and cooperation in the nuclear energy sector. Russia has been a long-standing nuclear technology partner of India, including supply of nuclear fuel and technology. The agreement represents continued commitment to bilateral nuclear cooperation. While India has nuclear cooperation with other countries (USA, France, Japan), this specific titled agreement was with Russia.

Answer: (b).