Thimpu has sought Indian investment for socio economic development in Bhutan. Addressing a press conference in Kolkata this evening, the Bhutanese Prime Minister Mr. Jigny Y. Thinley said that his country need investment in the field of education, health, tourism and IT sectors from India. Describing Indo – Bhutan relation as an exemplary one to promote friendship and mutual trust, Mr. Thinley opined that both sides are committed to maintain it. The Bhutanese Prime Minister arrived in Kolkata today on a day's visit to attend the annual general meeting of the Maha Bodhi society of India.