Bilva taila can be put 5-10 drops into ears.
Jahar mohra pishti is used orally. But a physical checkup is must as drugs need to be added according to ur prakruti. Thanks.
Please be calm as it takes time to get result in such cases. Never get embarassed.

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1. although you have consulted ENT specialist, but you have not mentioned that whether it is conductive or sensineural hearing loss, since treatment and management is different in both.
PS. since conductive can be treated with medicine and surgery whereas for Sensineural hearing loss, it is best suited for hearing aids.

2. avoid caffeine,nicotine, or cocaine, head bath, excess exercise and sexual intercourse, avoid professional activities which involve high frequency sounds, dry fruits and bitter and astringent food.
3.Mainstay of treatment will be to help regenerate the auditory nerve, inner ear connected to the auditory nerve, and to strengthen the hearing center in the brain.
PS. usually a time period of 5-6 months is required [depending upon the severity of nerve damage, in your case 53% & 60% respectively]
4. Putting drops of jaitun tail [olive oil] or sesame oil in ears is effective for tinnitus,hearing loss.
PS. The efficacy of any system of Medicine will depend on a critical number of surviving auditory neurons [since this is Nature Law that once the auditory cells are damaged [unlike birds and fish], they cannot regenerate naturally so one has to go for periodic/regular audiometry check up.