Hi Dear, 

basically most of the entrance exam  score is valid only for one year, but if you will mention the name of the exam so we will be able to help you properly in this case , and provide you all information regarding this. 

i hope this information is helpful for you 

for more queries just contact with us 

thank you 

good luck

Hii

Can you specify the exam that you want give in August 2018 accordingly I can provide you the necessary details.

Hope to hear from you.