Gandhinagar, Jan 11 (ANI): Bhutanese Prime Minister Tshering Tobgay while speaking at Vibrant Gujarat Summit, invited investment for the nation and said that Bhutan is open for investment and business from all countries unless it is eco friendly and not harmful to resources. Tobgay said that he had always wanted to visit Varanasi and Bodhgaya for a pilgrimage and have come to Gujarat as part of his ‘Aarthik Yatra’. He said that Bhutan’s economy is small with GDP of barely 1.7 billion dollars but the nation uses its limited resources wisely for the welfare of the nation and the people.