Lok Sabha Speaker Sumitra Mahajan on Friday held a meeting with a parliamentary delegation from Vietnam at Parliament House, said an official.The Vietnamese delegation is led by Nguyen Thi Kim Ngan, the Chairperson of the National Assembly of Vietnam.According to an official release, four memorandums of understanding were signed between the two countries on issues like cooperation in peaceful use of atomic energy, sharing of best practices in airline operation and partnership to jointly work in the area of energy efficiency.The release said: "Mahajan observed that with India's 'Look East' policy evolving into an 'Act East' policy, this region (Vietnam) has assumed even greater importance in India's strategic thinking and economic engagement."At the meeting, Mahajan recalled the visit of Prime Minister Narendra Modi to Vietnam in September."Mahajan said that the two Prime Ministers have decided to elevate bilateral 'Strategic Partnership' initiated in 2007 to a 'Comprehensive Strategic Partnership'," said the release."Noting that 2016 marks 30 years of bilateral civil nuclear cooperation, Mahajan said the Agreement on Cooperation in Peaceful Use of Nuclear Energy is a remarkable development and a testimony to two countries' willingness to give greater substance to their recently upgraded Comprehensive Strategic Partnership."Nguyen Thi Kim Ngan said that the ongoing visit of her delegation will further consolidate and strengthen bilateral relations between the two countries, the release said.