Giving a fillip to their ties, India and Russia on Friday signed 19 pacts, including three in civil nuclear field and one for purchase of 29 MiG-29 fighters besides inking the revised agreement on Gorshkov aircraft carrier, a deal that was stuck for three years over price.

Under the agreements in civil nuclear field, Russia will build 12 atomic plants -- six in Kudankulam and six in Haripur in West Bengal.

The agreements were signed during the day-long visit of Russian Prime Minister Vladimir Putin who held comprehensive talks with his counterpart Manmohan Singh with an aim of exploring opportunities for further boosting the relations.

They also discussed regional issues, including Afghanistan and Pakistan, in the context of terrorism and agreed to intensify their consultations on Afghanistan the challenges posed by terrorism and extremism in the region.

The pacts in civil nuclear field are Agreement on Cooperation in the use of Atomic Energy for Peaceful Purposes and Agreement on Road Map for the Serial Construction of Russian Designed Nuclear Power Plants.

A MoU was also signed on Nuclear Power between NPCIL and Atomstroy Export for construction of Third and Fourth atomic plant in Kudankulum in Tamil Nadu.

The revised agreement on Gorshkov aircraft carrier deal was also signed during the visit. The deal had initially been signed in 2004 at the cost of USD 1.5 billion, along with 16 MiG-29Ks. However, the Russians later demanded USD 2.9 billion, citing escalation of costs.

 After protracted negotiations, the two sides settled at USD 2.34 billion.