The concept is called ReTargeting.
Here is a video from that can serve as an introduction to this concept:
The concept is not unique to Jabong. In fact, most eCommerce websites these days would deploy some form of retargeting mechanism, either built inhouse, or by using a third party tools like Adroll.
And indeed, as seen in screenshot below, Jabong is using Adroll for this purpose.
 The results are from a browser extension called Ghostery. If the website is using a popular third party tool for web-analytics, tag-management, ad-serving, or A/B testing, Ghostery will detect it.
See question on Quora