Hi, I can understand the problem your mother must be facing and it must be really hard on you too. But chronic filariasis can be treated medically and surgically to reduce the swelling and probably by some reconstructive surgeries. best goverment hospital i would suggest is Maulana Azad Medical college, department of surgery or RML hospital, since AIIMS has long lasting waiting. And surgeons of Maulana Azad medical college are cordial to a certain degree and i am sure will help you out with your concern. Meanwhile she needs to take good foot care in form of cleaning between intertriginous areas and preventing any ulcers as well as sleeping at night with leg slightly raised and doing constant movements in between to aide lymphatic drainage. also there are some compression stocking available in market which help in reducing leg oedema. do let me know if you have any more questions.