When on 15, Sachin Tendulkar, in the course of his innings of 88, became the leading run-scorer (12,027) in Test cricket, bettering West Indian Brian Lara's aggregate of 11,953 in 131 Tests. Sachin's 50th fifty in Test cricket is his tenth against Australia. Sachin became the second Indian and the fourth in Tests to post 50 half-centuries or more. Allan Border tops the chart with 63 such knocks, followed by Rahul Dravid (53), Steve Waugh (50) and Tendulkar (50). Sachin, when on 61, achieved another distinction. He became the first player in Test Cricket to make 12,000 runs. Sourav Ganguly (7015) became the fourth Indian player after Tendulkar (12027), Dravid (10,341) and Gavaskar (10,122) to register 7,000 runs or more in Test Cricket. Ganguly's 35th fifty in Test Cricket is his seventh against Australia. India's score of 311 for five wickets off 85 overs is the second best score by a team in a day's play at Mohali. On the first day of the Mohali Test against Pakistan in 2004-05, India had made 312. Sehwag, with his innings of 35 off 36 balls, has taken his runs tally this year to 1088 at an average of 64.00 in 10 Tests. Only South Africa's Graeme Smith has made more runs than Sehwag this year - 1179 at an average of 69.35, including four centuries and four fifties in 11 Tests. Virender Sehwag and Gautam Gambhir, in their last seven innings, have recorded six stands of 50-plus -- 167 and 90 against Sri Lanka at Galle; 51 and 62 against Sri Lanka at Colombo; 70 and 16 against Australia at Bangalore and 70 at Mohali today. Gambhir (67 off 140 balls) posted his highest score against Australia, bettering his 29 at Bangalore in the first Test of the series. Gambhir's first fifty against Australia is his seventh in Test Cricket. Ganguly and Tendulkar were associated in a stand of 142 -- India's best for the fifth wicket at Mohali, bettering the 80 between the same pair against England in 2001-02. After Cameron White in the Bangalore Test, Peter Siddle became the second Australian to capture Sachin's wicket as his first on Test debut.First day's highlights of the second cricket Test between India and Australia on Friday.