Hello dear, surely will help you. See,There are many reason of not gaining weight. It is  better to treat the cause and you will gain weight. 1. Endocrine disturbances 2. Genetic 3. Vitamins and minerals deficiency 4. Psychological problem 5.IBS 6. Eating disorder 7. Liver dysfunction And many more   So my opinion is to contact directly  us,as you are in Bangalore, so that we can find the cause of weight reduction , gathering all your data and according ly we will suggest you.

You need to take high protein diet. Take small and frequent meals at regular intervals.ask me directly for customized diet plan for you.