AS you have asked about the Advertising courses online in India, I am giving you some information about that
1. Digital Vidya:
It is the first to launch Social Media Marketing course series in India.Digital Vidya also offers Social Media Certification program (CSMMP) in association with V-Skills, a Govt. of India initiative.

2. Indian School of Business:

Indian School of Business provide a program of Marketing & Analytics Programmer for Ecommerce. This is a five day programme and perfect for CMOs, Digital Marketing Strategists, Ecommerce entrepreneurs.

3. Market Motive:

Market Motive, co-founded in 2008 by American entrepreneur and Google Digital Marketing Evangelist Avinash Kaushik, delivers online education and certification in six disciplines – Search Engine Optimization, Paid Search Advertising, Social Media, Web Analytics, and Conversion & Public Relations.

4. NIIT:

NIIT in association with Digital Marketing Institute (DMI), Ireland offers a Certificate in Digital Marketing course for scholars and a Professional Diploma in Digital Marketing for graduates and working professionals. However, at present, these courses though web-based cannot be taken from home and have to be taken at an NIIT Imperia centre nearest to you.

5. Edukart:

It is the leading Distance Education Company in India offers a six-month online Certificate Course in Digital Marketing certified by the Internet and Mobile Association of India (IAMAI). The course supports you to learn aspects of using online marketing techniques to effectively reach out to your internet audience while building your brand and generating sales.

6. Internet & Mobile Research Institute(IMRI):
Internet & Mobile Research Institute, headquartered in Bangalore is a full-service international digital media training centre. IMRI miens a one-month course in SEO, PPC advertising, SMM, Email marketing, Mobile marketing and Affiliate marketing, a three-month Executive Program In Digital Marketing (EPDM) and a 6-month Executive Program In Digital Analytics (EPDA).

7. Webnext Solutions:
It was founded in Lucknow in February 2011 by Vaibhav Jain, aims to be the best portal for all digital marketing needs. Digital marketing courses delivered by Webnext Solutions have a broad course structure designed by the industry experts certified from Google, Microsoft, Yahoo and NIIT Imperia. Webnext conducts Training courses on SEO, SEM, SMM, PPC and a complete Digital Marketing course.

8. Learning Catalyst:

Learning Catalyst, based out of Mumbai, specifies in niche web/mobile/digital related programs directed towards a wide segment of individuals with marketing, design and tech backgrounds. They have centers in seven Indian cities (Mumbai, Delhi, Pune, Ahmedabad, Bangalore, Chennai and Hyderabad) where they conduct courses of various durations on SEM, SEO, SMM and a 6-week integrated digital marketing program.

9. Institute of Digital Marketing(IDM):

IDM offers courses in SEO, SEM, SMM, PPC, mobile and Email marketing.

10. Google Digital Marketing Course:

This course, distinct to all the others covered above is a free course and covers SEM, Adwords, Display Advertising, Mobile, Social, Google Analytics and the Video landscape.