There are two reasons founders resist going out and selling. They are combination of shyness and laziness. The founder would rather sit at home writing code then go out and talk to a bunch of stranger and probably be rejected by most of them. But for start-up to succeed at least one founder will have to spend all his time on sales and marketing.
Venture capital investments in India reached INR 15,600 crore (US$ 2363) till June 2015, surpassing the total INR 14,850 crore (US$ 2250) invested in entire 2014, setting the stage for another record year as interest in local technology startups peak.