Highest SR in an IPL Inning in each season (Min 10 balls)
2008 - Yuvraj (306.25/49 off 16)
2009 - Jadeja (275.00/33 off 12)
2010 - Pollard (346.15/45* off 13)
2011 - Gayle (316.67/38 off 12)
2012 - Ab devilliers (276.47/47* off 17)
2013 - L Wright (340.00/34 off 10)
2014 - Raina (348.00/87 off 25)
2015 - Ab devilliers (372.73/41 off 11)
2016 - Sarfaraz (350.00/35* off 10)
2017 - Narine (317.65/54 off 17)
2018 - Russell (341.67/41 off 12)
2019 - Russell (369.23/48* off 13)
The current champions are Mumbai Indians who beat Chennai Super Kings in the final of the 2019 season to secure their 4th title and thus became the most successful team in IPL history.
Slowest IPL Knocks
[Minimum 10 balls]
Ganguly - 1 (12)
Bhatia - 1 (10)
Sreesanth - 1* (10)
Venugopal - 1 (10)
Umesh - 1 (10)
[Minimum 15 balls]
Kulkarni - 2* (16)
Shreyas - 2 (16)
Hardik - 3 (19)
[Minimum 20 balls]
Yashpal - 6 (20)
Dhoni - 8* (22)
Bisla - 9 (22)
400+ Runs & 10+ Wickets in an IPL Season
Watson (2008, 2013)
Kallis (2010, 2012)
Symonds (2010)
Pollard (2013)
Hardik (2019)
Russell (2019)
Best Strike Rates in Death Overs in IPL :
ABD - 223.21
Virat Kohli - 192.17
The Most Destructive pair ever.
SRH ~ Only team to win Orange cap in 3 Consecutive IPL Seasons
CSK ~ Only team to win Purple cap in 3 Consecutive IPL Seasons
DK has played for 6 different franchises in IPL. Has anyone played for more?
It’s strange considering his skills and performance, he couldn’t cement a place anywhere.
2008 09 10 - DD
2011 - KXIP
2012 13 - MI
2014 - Return to DD
2015 - RCB
2016 17 - GL
2018 19 - KKR
Most runs in overs 16th to 20th in IPL:
2641 - Dhoni (SR 178.21)
1549 - Pollard (169.66)
1446 - Rohit (182.35)
6s In each IPL Season
2008 - 622
2009 - 506
2010 - 585
2011 - 639
2012 - 731
2013 - 674
2014 - 714
2015 - 692
2016 - 638
2017 - 705
2018 - 872
2019 - 784
IPL records for the season 2010-2019
Most Matches - Raina (162)
Most Runs - Kohli (5001)
Most balls Faced - Kohli(3736)
Most 50+ scores - Warner (47)
H S - Gayle (175*)
Most 100s- Gayle (6)
Most 6s - Gayle (316)
Most 4s- Dhawan (486)
Most Ducks - Rayudu(12)
Parthiv also is co-holder of the record. He also has played for 6 different franchises.
2008 09 10 - CSK
2011 - KTK
2012 - DEC
2013 - SRH
2014 - RCB
2015 16 17 - MI
2018 19 - RCB
Incidentally both are India International keepers. Both Locked in battle for India spot since eternity. Still valid contenders for the spot! 
IPL 2020 is not completely ruled out. There are noises heard from BCCI about truncated tournie in Sep/Oct. 
BCCI is in for bragging rights of first sports event post the Chinese virus pandemic. BCCI believes IPL could be perfect launching pad for sporting events after India succeeds in beating the virus. 
Most Runs Conceded in IPL
Chawla - 4072
Harbhajan - 3967
Mishra - 3795
Bravo - 3618
Umesh - 3496
Malinga - 3366
One feat to be proud of, Another equally dubious!
RCB ~ Only IPL team to win 3 matches by 100+ runs…
Also Only IPL team to lose 3 matches by 100+ runs! 
Three players have won the orange cap as captains
Sachin Tendulkar - 2010
Virat Kohli - 2016
Kane Williamson - 2018
All three ended the respective season as runners-up.
