There are 12 dishes ranked on this page. The lightest is Appam at 138 kcal per 1 piece, the heaviest is Roti Tisu at 750 kcal per 1 piece (full cone), and the average lands around 334 calories a serving. 6 of them come in under 300 calories, and one is 600 or more.
That spread is the whole point. Two dishes off the same menu can be 612 calories apart, which is more than most people's entire daily deficit. Knowing which is which costs you nothing and changes the outcome.