Bat-ras  [बतरस] What is it that makes Chhath a unique festival? By Ratnakar Tripathy   Let me begin with a platitude – Chhath is unique because it is the most Bihari festival of all. So much so that a few days ago, a news report from neighbourly and cousinly Varanasi seemed to worry that with Chhath spirit swamping the city, the place is beginning to look and sound like Bihar! This coming from UP which is often happily mixed up with Bihar by a distant Mumbai or Delhi in a common ‘Bhaiya’ fold! But there are some profound reasons that make Chhath truly unique. Many devotees...