You need to take balanced high protein,low fat diet devided into 3 main and 3 small meals including all food groups of seasonal veggies and fruits.
Drink 8 to 10 glasses of water.
Di regular daily physical activity of your choice for at least 50 mnts.
Sleep for 6 to 8 hrs and indulge yourself into stress free life.
Have a healthy lifestyle, feel free to ask further for your query.
Next Steps
Your Weight is not too low and BMI is healthy, tell me about your history of losing weight and bidy type as well as daily routine to guide you