Here are the statistical highlights from Day 2 of the first Test between India and South Africa:
# Alviro Petersen has failed to post a fifty in his last ten innings. He is averaging 16.30 in his last ten innings. (Day 2 report)
# Morne Morkel (23-12-34-3) has produced an economy rate of 1.47 - his best in a Test innings when he has delivered 20 overs or more.
# Mahendra Singh Dhoni took his run-aggregate to 4274 at an average of 39.21 in 80 Tests - the seventh highest by a wicketkeeper in Tests. Only two wicketkeepers have 5000 runs or more to their credit in Tests - Adam Gilchrist (5570) and Mark Boucher (5515). (Highlights)
# Since posting a career-best 224 vs Australia at Chennai in February 2013, Dhoni is without a fifty in eight innings.
# Dhoni is averaging just 30.20 in Tests in South Africa - his aggregate being 302 in ten innings - his only fifty being 90 off 106 balls at Centurion in December 2010.
# Zaheer has extended his unwanted record of most ducks (28) in Tests for India. His tally includes four vs South Africa. (Scorecard)
# In the last fourteen innings since January 2012, both Zaheer and Ishant Sharma have recorded six ducks each.
# Ishant has failed to score in his last three innings. His tally of 18 ducks includes three vs South Africa.
# Vernon Philander's figures of four for 61 are the second best by a South African bowler vs India at The Wanderers Stadium, Johannesburg, next only to the four for 39 by Shaun Pollock in December 2006.
# Abraham de Villiers took four catches - his best performance vs India in a Test innings.
# Graeme Smith (68) has posted his 38th fifty in Tests - his eighth vs India.
# Smith has recorded nine innings of fifty-plus (two hundreds and seven fifties) at The Wanderers Stadium, Johannesburg - the most by a batsman at this venue in Tests, eclipsing the eight (two centuries and six fifties) by Jacques Kallis.
# Zaheer has dismissed Smith seven times in ten Tests. New Zealand's Chris Martin has captured his wicket most times (eight) in Tests.
# Apart from Smith, Zaheer has claimed Matthew Hayden's wicket seven times in Tests.
# In international cricket, Zaheer has dismissed Smith 14 times - the most times he has dismissed any batsman.
# Apart from Zaheer, James Anderson has claimed Smith's wicket ten times in international cricket.
# Ishant Sharma (3/64) has produced his best bowling performance vs South Africa in South Africa in Tests.
# Jacques Kallis' first duck vs India is his 16th in Tests. For the second time, he has recorded a golden duck.
# Kallis is averaging 16.00 in Tests this year - his tally being 160 in ten innings, including two fifties. The said performance is his worst in a calendar year (minimum two Tests).
# For the fifth time, the last three Indian players got out without scoring in a Test innings - the first such instance vs South Africa.
# For the fourth time, India have dismissed four out of the top five batsmen lbw in a Test innings.
(Stats: Rajesh Kumar)