India, Jan. 16 -- Pongal is a four-day-long harvest festival that is celebrated in Tamil Nadu, similar to Makar Sankranti, which is celebrated in various states across India. It is also synonymous with some visually-sumptuous ethnic finery woven with traditional silk and other indigenous textiles. Picture an array of women looking chic and cheerful in vibrant saris or half saris, and you've pretty much summed up the sartorial mood....