That is fake news. India is the main HCQ producer and has ramped up production of hydroxychloroquine from 3 metric tons per month to 20 to 30 metric tons per month and can scale it up further to 40 to 50 metric tons if there is a requirement.
https://www.forbes.com/sites/anuraghunathan/2020/04/09/indias-drugmakers-ramp-up-production-of-game-changer-coronavirus-drug-hydroxychloroquine/