By day, he’s a software engineer. Come evening, however, Kaladhar Bejjanki logs off his cutting-edge job and embraces an art form spawned ages ago in his native India. Dance is his fancy; preserving old customs, his forte. “When the sun sets, the choreography begins,” said Bejjanki, founder of Yuva Dance Academy in Ellicott City. Opened in 2016, the studio numbers 130 students of all ages, .