Help My mother to Overcome Rectal Cancer

My mother is a very hardworking, honest person. She had worked all kinds of odd jobs to raise us to where we are now inspite of our poor financial status. My father is a Car driver for private people back in Coimbatore, TN with no constant income. We are two siblings, I am the elder son Venkat and I am a Trainee in Wipro with a monthly income of approx. 15k per month, and also pursing my masters part time and a my younger sister is studying in 12th class. We have very limited resources, live in a rented place and somehow had been managing our lives peacefully. Currently, I am the only one who is managing the household, and also taking care of my sister’s educational expenses. Now that my mother had been diagnosed with stage 4 ColoRectal cancer, that had already spread to her liver, we are not able to manage the cost of her treatment. She needs Chemotherapy, Radiation Therapy and probable multiple surgeries to remove her liver Metastasis. Cost of the treatment would be somewhere between, Rupees 15 lakhs to 20 Lakhs. The  hospital had told us that Tamilnadu government fund that is being provided would not be applicable for Chemotherapy and Radiations that my mother require and they can help us while doing surgeries. Other Family was able to provide about a lakh rupees so far and it had already costed us more than a third of the money for diagnosis and alternative treatments that we tried so far. Sincerely need the your kindness, humanity and god’s blessing on us to overcome what my family is going through right now. I would request whoever reads this to help us with whatever is favourable to you and help us get across this positively. Thank you in advance.