Jio charges of 6paisa/min is for 3 months only i.e till 31st jan 2020 after that again all voice call will be free on any pack.Also any top up of 10rs will give 1gb free till 31st jan 2020

https://www.desidime.com/discussions/jio-charges-of-6rs-min-os-for-3-months-only-i-e-till-31st-jan-2020-after-that-again-any-voice-call-will-give-free-calls-also-any-top-up-of-10rs-will-give-1gb-free-till-31st-jan-2020?page=1#post_6168815