The only thing is, post Chemotherapy she has developed deafness to a certain frequency which has debilitated her quality of life, leading to her in handicap. It has damaged her cochlear (Inner ear)
The conventional free hearing aid given by the government is not suiting her, as she has high frequency deafness.
She is not been able to listen to the words that starts with 'F', 'S', 'SH'. So if there is a FIRE or a SNAKE in the house, she will not be able to listen to the alarm of danger.
The company that provides with this device is PHONAC or GNRESOUND and it costs around 1LAKH, this is required for frequency transposition of her ear.