Around this time last year, Ravi Bishnoi had been central to India’s T20 World Cup plans. An unorthodox leg-spinner, who didn’t rely on flight, dip and drift, he had a googly that turned big and sliders that skidded on — the kind of deliveries that can make a bowler successful in the format. Yet, sometime during the IPL, it all began to go downhill for Bishnoi. With the T20 World Cup just 10 days away, he is now a rank-outsider who can become part of the team only if the first-choice spinners suffer injuries. On Sunday, playing his first T20I outing in a year, Bishnoi rediscovered his old-self. His four overs, the first of which was bowled in the powerplay, saw him concede only 18 runs and take the wickets of Glenn Phillips and Mark Chapman. None of his overs came in a succession with Suryakumar Yadav using him in four different spells. It was as if he just carried on from where he left off. Behind the scenes, over the last few months, in …