Hi there.. I understand your concern. Please provide details of your height and weight so we can calculate how many kgs you need to actually gain. Focus on eating small but nutritious meals every 2 hours. Some of the options here are dried fruits, pulses, soybean, eggs, milk and its products, home made ladoo. Do not resort to fried foods and unhealthy snacks for weight gain.
Once we have all details a personalized diet plan can be prepared for you which you would be able to follow and gain body weight inspite of your busy schedule. You can contact any of us for the same. All the best!
Improve with qualty of food like divide your time with choices of food. Morning brkfst -3days egg whites or soyabean or oatmeal milk, 3days-flakes multigrain with fruit 1 day banana shake. Dinner- 2 chapatis with veg.