You need to visit a doctor and get a proper check up done. Give a proper history, get any test done if needed and find out the exact cause of your hairfall. Until the root cause is not treated hair fall will not stop with just topical solutions. I would suggest you do not delay further as your hairfall looks quite severe

Read the following articles they may help you in hair care in lockdown times. https://www.practo.com/healthfeed/5-simple-diy-tricks-for-great-hair-40979/post https://essencecosmeticsurgery.com/2020/01/30/hair-loss-a-start-up-guide/

You are suffering from hormonal changes causing Androgenetic alopecia causing hair fall. It's completely stoppable even regrowth of hair is possible with certain medications without any side effects. Treatment depends on the grade of hair loss. So, it's a must for diagnosing which grade, you are in for an effective treatment. Please  send more photos of your head, by direct online consultation for accurate diagnosis and proper treatment.

Hair loss from the hairline or crown can occur due to many reasons, more commonly due to- - hormonal effect - nutrition  - lifestyle imbalance - stress - Medical conditions, fever The exact reason can be found out by taking detailed history and hair analysis .  Accordingly, anti hairloss medicines, hair specific multivitamins, lotions and gels are prescribed. Many non surgical external treatments are available that show good results and can prevent hair transplant. These are : Mesoporation with hair peptides Stemcell, Dermaroller PRP therapy etc.  Treatments are prescribed according to diagnosis. You can expect results in 6 to 8 months with a combination of these treatments.