Hydroelectric dam
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Bhutan-India 'ambitious' hydroelectric energy plan

20 October 2013 Last updated at 03:55 BST

In recent months, India has embarked on a round of energy diplomacy with its neighbours - it has just signed joint ventures to build power plants in both Sri Lanka and Bangladesh.

It is also investing millions of dollars to generate electricity from the fast-flowing rivers of the Himalayan nation of Bhutan.

But as Anbarasan Ethirajan reports from Bhutan's capital, Thimphu - there is more at stake than just energy.