Digboi is one of the important cities in the state of Assam. It is referred to as the ‘Oil City’ as the country’s first ever oil refinery was established here. Going by the history of the land, its existence dates back to 18th century, the period during which oil was first discovered here. In the year 1867, when the railway tracks were being laid here, oil traces were found and the rest is history. However, the city is not all about oil. It has various other interesting features as well. You could get some of the best handicrafts in the city. Dolls made from wax are popular here. It is…