Large companies like Coca Cola brainwash entire populations into believing that not only is it "cool" to drink Coke/Pepsi/Fanta, but that it's also somehow "refreshing", "rejuvenating", and a "way to celebrate". Since most of the populations all over the world are dumb sheep anyway, they start blindly believing and following these corporations and start mindlessly shelling their hard-earned money on these harmful products.
Indian government should both gently nudge and overtly force Indians to healthier drinks such as juices, lassi, etc. Those who advocate that free will and independent decisions of adults are always preferable should be reminded that independent decisions don't always produce the best/wisest results. Just look at how many Indian kids and adults are wasting their money and health on Western carbonated drinks. Crush these drinks under the load of taxation. Use these extra taxes to subsidize healthy beverages. This use of force is the only way to stop nefarious corporations from exploiting the foolishness of people.