Question Of The Day #39: The Pioneer

Weekly Theme: Business

• The entire business of brand building in India started with X's first ad for West end Watches. 
• X also advertised the now defunct gripe water brand, Ramthirth Brahmi Oil, the first ever Indian color ad. 

Identify X.

Answer: (Please highlight the text below)

Dattaram Advertising & Co. http://www.dattaram.com/inside.html