Whenever Sushmita Chaulagain, 21, from Banepa, thinks of Tihar, two things come to her mind—the lights and Deusi-Bhailo. For her, the latter is about fun and entertainment, a time to dance to any tune, Bollywood or otherwise. But after talking to her mother and grandmother, she noticed that, in their time, Deusi-Bhailo was a deeply devotional…