Transfer on mediacal grounds of mother, ISRO

I am working with ISRO. my mother is having following medical condetions high tyoe 2 diabetes diabetic neuropathy diabetic arthopathy diabetic retinopathy high blood pressure and heart condition. she went through an accident 4 months back and had a hairline crack in the hip bone, now recovering but again went through an accident 2 weeks back. she lost 2 teeth and had a small clot in her right anterior hemisphere of brain. now taking LEVIPIL which is an anti epileptic drug (it is causing severe side effects including mental instability). she is also taking drius for controlling vertigo. she has wight loss. my father expired 3 years back and i have to take care of my mother. i am posted at a unit 110km fom my home and i am travelling to and fro daily (220km )to look after my mother. i am having hyper acidity and related acidic peptic disorders including frequent sour taste vomiting and irritable bowel syndrome. i am having multiple corns on my both foot and back pain due to daily long travel. i want a transfer n\based these reasons. how strong is my case and if the authority denies my transfer (happening here for all the staff without reasons) what should i do? i have been working here for 1year and 8 months , probation completed. iam group b employee(technical assistant)