Textile industry contributes about 4 per cent to the country's GDP, 14 per cent of the industrial production, and 17 per cent to export earnings.[189] India's textile industry has transformed in recent years from a declining sector to a rapidly developing one. After freeing the industry in 2004–2005 from a number of limitations, primarily financial, the government permitted massive investment inflows, both domestic and foreign. From 2004 to 2008, total investment into the textile sector increased by 27 billion dollars. Ludhiana produces 90% of woollens in India and is known as the Manchester of India. Tirupur has gained universal recognition as the leading source of hosiery, knitted garments, casual wear and sportswear. Expanding textile centres such as Ichalkaranji enjoy one of the highest per-capita incomes in the country.[190] India's cotton farms, fibre and textile industry provides employment to 45 million people in India,[189] including some child labour (1%). The sector is estimated to employ around 400,000 children under the age of 18.[191]
While it is important to find something that you love to do and turn it into a money making business, you do have to be cognizant of the return as you pointed out. There are many opportunities that I found and tried out that at the time seemed great. But when I took a step back, I realized that I was working a lot for very little income whereas other things I love doing brought in much more money.
In India Freelancing is synonym with Journalism but trust me its a very big industry abroad. Freelancing is full time career for many professionals. In India its at nascent stage and Freelancing is not a highly paid job. Positive way to look at it is that if you start today then you will have 1st mover advantage. Freelancing jobs are available in various domains. One of dedictaed Indian site for freelancing job is worknhire.com

The long-term growth prospective of the Indian economy is positive due to its young population, corresponding low dependency ratio, healthy savings[38] and investment rates, and increasing integration into the global economy.[39] India topped the World Bank's growth outlook for the first time in fiscal year 2015–16, during which the economy grew 7.6%.[40] Despite previous reforms, economic growth is still significantly slowed by bureaucracy, poor infrastructure, and inflexible labor laws (especially the inability to lay off workers in a business slowdown).[41]
If you’re a YouTube personality, this is how you generate your income. An amazing example of this how Antonio Centeno got 1 million YouTube subscribers. If you’re a blogger who gets a lot of traffic to your site and uses advertising or sponsorships, then you’re also following the AA Model. Got a podcast with sponsorships? Same deal. I talk about successful podcast sponsorships and other ways to make money podcasting here:

Second Chance Companions has rescued thousands of animals over the last 20 years. Through our Spay & Neuter program, we have altered thousands of pets. Since we added our AniMeals program several years ago, we have helped low income seniors feed their pets thousands of pounds of pet food. Over the years, our volunteers have donated thousands of hours of their time to care for unwanted animals.
What I find most interesting is the fact that I had never considered options like LendingTree or realityshares for other income sources. Investing in property has been too much of bad luck for people that I know personally, so I am interesting in getting involved in a situation where I would have to be dealing with maintenance issues or tenants. There are services for you to do that, but I had not come across any that didn’t eat most if not all of the earnings. Then again, I live in the NY area. Investing in the midwest would not be reasonably possible for me, directly, but reading about realityshares is something I am going to look into further. That might be a real possibility.
Wow! What an awesome list! My favorite is the stock photography because I love photography. I have had some success there, particularly with one photo I make some decent income from. I think the key with stock photography is finding a shot that is high demand. Then, find a new unique way to frame that shot. This is the reason my St. Louis Arch photo is a top 10 on both ShutterStock and iStockPhoto. Thanks for the awesome ideas above!

Freelancing is short term project you need to take from someone and complete it in pre-decided time. Once a project is completed you will be paid and there is no further term with the company. There are many websites where people post projects. Many people are working as freelancer full time. Websites like WorknHire or Freelancer are great places to start.
Portfolio income can come from multiple sources – interest/bond coupons, stock dividends, financial strategies including derivatives and capital growth.  Each offers some cash flow and some also offer potential capital gain with some risk from liquidity and volatile prices.  In this low-yield environment, many investors rely too heavily on cash flows and to pursue this are venturing further into riskier areas than they’d normally consider.