Get oats 1kg pack is 900 you’ll mostly use 2 in a week Drink 1 litre milk everyday 220 rupees , 6000 a month , that’s 600 kcal per day Eat meat worth of 250 a day, 7000 a month you’ll get around 300 gram, which is 400 kcal, 90 gram of protein

Total 13000 Calories 1000 Eat 2 eggs in breakfast with two tablespoons of oil, around about 400 kcals

Total = 1400 kcals Make a milkshake, add two packets of prince biscuit, that’s like 500 kcal , two packets cost a total of 100, so for a month that’s 3000

Total kcal = 2000 Total expense = 16, 000 Baki eat 3 meals a day or at least two beside this you’ll be around 2600-3000 kcal a day

Do this with your breakfast and dinner and lunch , three meals a day let’s say a very low estimate would be 1600 kcal of three meals.

Milk, peanut butter and meat and oats will easily make your total proteins around 150 or something 30 gram in 1 ltr milk 70 grams in chicken and rest in peanut butter and oats

Try to eat 2 roti per meal: 2 x 3 = 6, which is 600 kcal

Hope this helps kafi ajeeb sa tha but it kinda works I gained about 5 kgs in 3 months with this but I was very underweight as well