Hello Faiyaz.

The registration of CA CPT course is valid up to 3year from the date you are eligible to appear for CPT for the first time. So yes, your registration is still valid.

Dear Faiyaz Ahmed,

In order to appear for the entrance exam you must have registered with ICAI for CPC course before June 30, 2017, to be eligible for appearing in CPT exam. 

CA CPT exam will be held on 17th June 2018.

To know in detail you can refer below link

https://finance.careers360.com/articles/ca-cpt?icn=cpt_article&ici=cpt_exam_rdmrvp

Good Luck!!