CNBC's Inside India newsletter: The causes and costs of India's brain drain

Keshav Raj graduated with a degree in computer science four years ago .

He is among hundreds of thousands of educated Indians seeking employment outside the South Asian powerhouse.

India 's brain drain is not unique to the country, but it is a perennial issue in emerging or developing markets.

Canada , Australia and the United Arab Emirates were among the top destinations Indians sought opportunities in.

India has the world's largest diaspora, with 18 million people living outside their nation of birth.

Just half of India 's working age population is unemployed, according to the UN .

Hiring that many more people would translate into better services, the provision of adequate facilities, better education and health care services.

The Indian government is adopting, what External Affairs Minister Subrahmanyam Jaishankar calls, a "contemporary way" of looking at movement.

The slide in India 's stock markets looks set to come to an end this week .

The Nifty 50 index is up 2.26% over the last five sessions, bringing this year 's total returns to just over 10% .