As an AI language model, I don't have the ability to declare a single product as the "best" without any bias. However, I can provide you with some popular 43-inch Android TV models available in India in 2020.
- Mi TV 4A PRO 43 inch Full HD Android TV
- Power Guard 43 inch Full HD Android TV
- Sony Bravia 43 inch Full HD Android TV
- TCL 43 inch 4K Ultra HD Smart Android TV
- Motorola 43 inch Ultra HD 4K Android Smart TV
These models have received positive reviews from consumers and are considered some of the best options for a 43-inch Android TV in India in 2020. However, it's always recommended to do your research, read reviews, and compare features before making a purchase decision.