If anyone ever needed convincing that Indian food is best eaten by hand, you only need to watch this video of this dude. In an attempt to teach the world how to eat standard Indian food with implements, he convinced this writer to never try it… for fear of looking as bumble-fingered as this guy. Explocity’s advice: eat with your hands no matter how “posh” the restaurant.
If you need western authorisation on the subject, here’s a terrific article from the New York Times on eating Indian with your hands: Mind Your Manners: Eat With Your Hands.

Watch the video titled, "how to eat roti sabji using spoon n fork (sic)": https://youtu.be/flr5aAVA108