I am 27 old Male.
Weight 53kg
Height 173cm

For past 8 years my body has not grown.
I am daily eating egg,meat,fish,grams for past 5 months but also no improvement.
I am doing yoga daily.
What I have to do for improving body.
Please suggest me which specialist I have to consult.

At 27, your body has finished growing. If it did continue to grow at your age, there would be something wrong. You've reached your adult height and size.