Three more reps, come on!” urges a burly gym instructor at an elite Delhi gym. He’s pushing his client, a 33-year-old banker, to complete the leg-press routine, music thundering from the speakers by way of support. Thirty minutes later, the instructor undergoes a transformation. A gentler person is now talking to his students in subdued tones about the day’s regimen before he begins the gym’s most popular class — hatha yoga. Men and women queue up outside the studio because space is limited. “I have the day off today, but I thought I’d at least do yoga,” says a petite,