What’s winter without a sweet indulgence from Old Delhi. Be it the decadent dilruba or the flaky naazuk, there’s a gajjak for every taste bud when scouting the bylanes of dilli 6. A gajjak trail in Chandni Chowk is a must when it's winter and the celebrations are on for Makar Sankranti. From the hit khajoor gajjak to the regular …