Who were the most expensive players in the past IPL auctions?

Pacer Jaydev Unadkat and spinner Varun Chakravarthy were IPL 2019 auction's joint-most expensive buys after being bought by RR and KXIP for ₹8.4 crore, respectively. MS Dhoni was the most expensive buy in first-ever IPL auction, bought by CSK for $1.5 million. In 2015, DD bought Yuvraj Singh for ₹16 crore, making him the most expensive buy of IPL ever.