If you are asking about the site www.kotak.co.in its not a paid service but an attempt to educate Everyone (Free Of Cost) be it an Individual, SME, Corporate, Consultant, Entrepreneur, Brand manager, professionals & Marketing managers; all those who struggle to get noticed by consumer on Internet.

Twinkle Digital Marketing is a very wide topic and I can't cover it as an answer to question. Though Digital marketing starts with booking of your domain, designing your website , optimising it for search engine and then spreading it all across internet.