See honestly if I will say than height will not increase after a certain age,
You can increase your weight by increase your calorie intake through protein minerals and good sleep .
According to your height your weight is ok so you need to only strong by proper physical activity .
Next Steps
you can follow a diet plan for long duration and you can take any supliment like
kabipro 2 scoops with 200 ml water in snacks for 1 month only .