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your body mass index is 21.1 ( normal is 18.5 to 24.99 ) less thana 18.5 is underweight and25 to 30 is pre-obesse. 30-35 obese class 1, 35-40 is obese class 2.
so your body mass index (BMI) shows your weight is in perfectly normal range.
you can put on your weight, but avoid to be in pre-obese range, ( above 24.99 bmi)
recommended calories intake are around 2000 to 2200 calories. you can take 2700-2800 calors /day to gain weight. more important is not to skip meals. not to over do exercise.
high calories diets which would cause weight gain are following
beef, mutton, fish ( meat )
nuts and seeds
please feel free to ask any questions.
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