hai.

yes, you can apply for ca cpt 2018.

prepare for the examination well, make sure that your basis are clear.

if you have any more queries feel free to ask.

thank you 

yes you can go for it and apply for ca cpt november attempt 20018. btw acccording to me the exam will be held in december. and you can apply for it and start taking coaching for this and prepare yourself. all the best have a great future ahead.