Many people often say that they are inseparable from their smartphones. But chances are, it's the applications on them. From social media and gaming, text messaging, groceries to even cab services, there’s an app for every sector and domain today. And with the increase in the number of smartphone users in the country, the demand for mobile applications is also on the rise. On Heads Up, we take a look at the app development industry in India and show you how you can make a career in it.