My weight is 60 kg, height 5' 4'', age 26 is my weight perfect according to my age and height? Plz reply

Yes. Your bmi, body mass index, is 22.7, which is in the middle of the healthy range. Congratulations.
Your wt is healthy. Your are right that when determining a healthy weight, you need to take into account your height. We use the "body mass index" or bmi to determine what is a healthy weight. The bmi goal for a healthy weight is between 20-25. Your bmi is 22.7, which is a healthy weight. Here is a link to a bmi calculator: http://nhlbisupport.Com/bmi/ (change lb to kg by multiplying lb x 2.2).