There was no doorbell to ring. So we peeped into the narrow walkway and spotted a boy having tea. Acknowledging us with a smile, he came swiftly, took charge of our luggage, guided us to our room. That warm smile was the first of several we were offered during our stay in Assam. Soon, the manager, Mr Kalita, too came to us with an even broader smile. We landed at Guwahati a day earlier for our trip to Kaziranga. At first, we had thought of staying at one of the regular hotels at Paltan Bazaar. Then Baruah Bhavan’s listing on…