Mining contributed $63 billion (3% of GDP) and employed 20.14 million people (5% of the workforce) in 2016.[153] India's mining industry was the fourth-largest producer of minerals in the world by volume, and eighth-largest producer by value in 2009.[268] In 2013, it mined and processed 89 minerals, of which four were fuel, three were atomic energy minerals, and 80 non-fuel.[269] The government-owned public sector accounted for 68% of mineral production by volume in 2011–12.[270]
Having discussed why it is important to have a second source of Income, let me now highlight some of the sources of a second income or second income ideas. A second source of Income typically means having regular income from a source other than your primary one. This means, if you belong to a salaried class, you might want an income from some other source and if you are from a business class, you might want an income from some other business. You can be as creative as it gets. Some good sources of Income are highlighted below:

Scholarships, fellowships, and grants are sourced according to the residence of the payer. Those made by entities created or domiciled in the United States are generally treated as income from sources within the United States. However, refer to Activities Outside the United States, below. Those made by entities created or domiciled in a foreign country are treated as income from foreign sources.
Blogging – I guess you could say I’m a professional personal finance blogger since I own two sites and I’m making decent money every month. The income started off slow but has been consistently increasing. It’s not as much as I make with my day job but my best blogging month was equal to about one paycheck at my old day job.  While I had to learn how to set up and use WordPress myself, you can learn how to blog and make money online at
An obvious example is over exposure to bank stocks, which have been excellent investments for over a century.  Though a foundation of most portfolios, bank stocks do involve more risk at certain stages of the economic cycle than many realise.  Being less exposed to bank shares in the last few months could have preserved some capital.  So, a more diversified approach can help mitigate some of these risks.