Statistical highlights from day 4 of the India vs Australia Test match at Chennai.
# Ashwin has produced seven instances of five wickets or more in Tests - twice against Australia, all on Indian soil. He has bagged five wickets or more in each innings of a Test match only for the second time - the first occasion being against New Zealand at Hyderabad last year - 6 for 31 and 6 for 54. The only Indian bowler to complete 75 wickets in only 13 Tests is Ashwin.
# India (572) have recorded their highest total against Australia at Chepauk, beating the 501 in 2000-01. The said total is India's second highest at Chepauk, next only to the 627 against South Africa in March 2008.
# India have totalled 572 off 154.3 - the run-rate being 3.70 - their highest against Australia at Chennai - their highest run-rate against them is 3.98 during their 633 for five wickets declared off 159 overs at Kolkata in 1997-98.
# Nathan Lyon (215) has conceded 200 runs or more in a Test innings for the first time. He has emulated the unwanted record of Jason Krejza (43.5-1-215-8) at Nagpur in 2008-09), sharing an unwanted feat of conceding most runs in a Test innings for Australia against India. Only two Sri Lankan bowlers Rangana Herath (53.3-2-240-3 at Brabourne Stadium, in December 2009) and Suraj Randiv (73-16-222-2 at Colombo, SSC
in July 2010) have conceded more runs than the above two Australians in a Test innings.
# Mahendra Singh Dhoni, with 224, has set an Indian record for the highest individual innings as captain,
bettering Sachin Tendulkar's 217 against New Zealand at Ahmedabad in October 1999.
# Dhoni's above knock is the third highest individual innings at Chennai behind Virender Sehwag's 319 against South Africa in 2007-08 and Sunil Gavaskar's 236 not out against the West Indies in 1983-84.
# Dhoni's marvellous innings is the third highest score by a wicketkeeper in Tests. Only Andy Flower - 232 not out against India at Nagpur in November 2000 and Kumar Sangakkara - 230 against Pakistan at Lahore in March 2002 - have scored more runs as wicketkeeper.
# Dhoni's 224 is the second highest by a captain in a Test match in India. Clive Lloyd's unbeaten 242 for West Indies at Wankhede Stadium, Mumbai in January 1975 is the highest by a skipper.
# Dhoni became the second Indian player after Ravi Shastri to hit six sixes in an innings against Australia. Shastri had recorded the distinction during his unbeaten innings of 121 off 287 balls at Wankhede Stadium, Mumbai in 1986-87.
# For the third time ever, Dhoni has registered six sixes in an innings - the first two occasions were against the West Indies and Sri Lanka.
# Dhoni became the second captain after Chris Gayle to post six sixes or more in a Test innings twice. Dhoni had first registered the feat during his unbeaten knock of 100 off 154 balls against Sri Lanka at Brabourne Stadium, Mumbai in 2009-10.
# Bhuvneshwar Kumar's 38 is the highest score by number ten Indian batsman on debut, surpassing the 28 off 49 balls by Paras Mhambrey against England at Birmingham in 1996.
# The 140-run stand between Dhoni and Kumar is India's third highest for the ninth wicket in Tests - the best two are 149 between Ramakant Desai and PG Joshi against Pakistan at Brabourne Stadium, Mumbai in December 1960 and 143 (unbroken) between Sunil Gavaskar and Syed Kirmani against West Indies at Chepauk, Chennai in December 1983.