Sunil Gavaskar took over as Test and ODI captain in 1978–79, leading India in 47 Test matches and 37 ODIs, winning 9 Tests and 14 ODIs. He was succeeded by Kapil Dev in the 1980s, who captained for 34 Test matches, including 4 victories. Kapil Dev led India to victory in 39 of his 74 ODIs in charge, including the 1983 Cricket World Cup. Kapil Dev also captained India's 2–0 Test series victory in England in 1986. Between 1987–88 and 1989–90, India had three captains in Dilip Vengsarkar, Ravi Shastri and Krishnamachari Srikkanth. Vengsarkar took over the captaincy from Kapil Dev after the 1987 Cricket World Cup. Although he started with two centuries in his first series as captain, his captaincy period was turbulent and he lost the job following a disastrous tour of the West Indies in early-1989 and a stand-off with the Indian cricket board (BCCI).
The domestic competitions include the Ranji Trophy, the Duleep Trophy, the Vijay Hazare Trophy, the Deodhar Trophy, the Irani Trophy and the NKP Salve Challenger Trophy. In addition, the BCCI conducts the Indian Premier League, a Twenty20 competition, which is also one of the biggest sports leagues in the world and the biggest cricket league in the world. The Indian cricket team is also accredited with the honour of winning all the ICC tournaments under M.S. Dhoni's captaincy, which is a world record. While cricket is by far the most popular sport in the country it is not the country's national sport since India has no national sport.
The ball is a hard leather-seamed spheroid, with a circumference of 22.9 centimetres (9.0 in). The ball has a "seam": six rows of stitches attaching the leather shell of the ball to the string and cork interior. The seam on a new ball is prominent and helps the bowler propel it in a less predictable manner. During matches, the quality of the ball deteriorates to a point where it is no longer usable; during the course of this deterioration, its behaviour in flight will change and can influence the outcome of the match. Players will, therefore, attempt to modify the ball's behaviour by modifying its physical properties. Polishing the ball and wetting it with sweat or saliva is legal, even when the polishing is deliberately done on one side only to increase the ball's swing through the air, but the acts of rubbing other substances into the ball, scratching the surface or picking at the seam are illegal ball tampering.
The batsman on strike (i.e. the "striker") must prevent the ball hitting the wicket, and try to score runs by hitting the ball with his bat so that he and his partner have time to run from one end of the pitch to the other before the fielding side can return the ball. To register a run, both runners must touch the ground behind the popping crease with either their bats or their bodies (the batsmen carry their bats as they run). Each completed run increments the score of both the team and the striker.
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In the approximate centre of the field is a rectangular pitch (see image, below) on which a wooden target called a wicket is sited at each end; the wickets are placed 22 yards (20 m) apart. The pitch is a flat surface 3 metres (9.8 ft) wide, with very short grass that tends to be worn away as the game progresses (cricket can also be played on artificial surfaces, notably matting). Each wicket is made of three wooden stumps topped by two bails.