Yikes... Young lady ... You already appear to be on some specific treatment that suggests you are seeing a Dermatologist.
However, a more detailed history of your situation will be required to advice you if what you are doing is correct 💯%
Isotretinoin is a good drug but needs to be given in the right dosage after following due protocols and process as listed in the medical literature.
More importantly your stress factors, environment etc need to be taken into account before arriving at a final decision and action plan.
Next Steps
Suggest if in Bangalore you are welcome to an in-person Consultation or an Online Consultation wherever you are if that suits you best for a more detailed chat, perhaps some blood tests to assess PCOD status and then treatment to clear this issue.
Health Tips
Gentle face cleansers and avoid all soap on face
Steaming lightly for 3-5' minutes will help
If redness is an issue, Rosacea component has to be considered and certain foods avoided eg hot ☕ beverages, spicy 🔥 foods, temperature 🔥🥵 foods, ☀️, stress etc