With each passing year and season, the Indian Premier League has only grown bigger and better. Starting in 2008, the IPL recently (on 29th May) finished its 15th season which saw ten teams competing after two new franchises were added for massive amounts paid by the owners.
The fact that a team now costs more than 7000 crore INR means that there are a lot of future investments that are expected to give great returns in the future. IPL is now not only a popular platform for cricketers to test their skills but for marketers to invest.
With the growing interest of markets and the popularity of the league where fans can watch all their favorite players playing and competing with each other in a highly competitive tournament. This has resulted in a decreased value of the T20I bilateral series as the ICC chairman recently said in an interview.