Generic pharmaceuticals maker MSN Group on Thursday announced the rollout of the cheapest Covid-19 treatment drug Favipiravir 200 mg at Rs 33 per tablet under the Favilow brand. Jenburkt Pharmaceuticals’ Favivent was hitherto the cheapest Favipiravir 200mg offering at Rs 39. The company said it is also gearing up to launch Favipiravir 400mg in the market soon.