Building a multirotor in India, the ESC is one of the most critical parts you'll choose. This 30A SimonK-firmware ESC is a go-to for drone hobbyists because it's affordable, reliable and easy to calibrate.
Why SimonK? https://exactlybookmarks.com/story21663254/simonk-30a-esc-specs-uses-where-to-buy-in-india