You know it's a good Indian when they don't feel the need to do this

It's a little 1970's!
Mix a little powder (the very tip of a teaspoon -- the tiniest tip) into a cup, something that won't stain. Add enough water so that the colour is not strong, so it's more like a water colour painting wash. If the colour is too prominent it just makes it look too try hard.
For a pan containing, say, 3-4 portions of cooked rice, just add 1 or 2 teaspoons at the most of each of the 2 colours. Don't be tempted to add more, which is a classic mistake.
It's import to let the colours stand and set for 5 minutes, so put the lid back on and leave it for 5, then fork through the rice. Again, forking it through before the colours have set it another classic mistake resulting in a puke like mess.