Sir i am gradute in computer engineer. i am also a CCNA certified and i am doing my CCNP.so you tell me after that which course i will choose? like RHCT, MCTIP or CCNA/CCNP security? i am having big confusion. my CCNP certification will complete in this month.

You can do RHCSA then do RHCE. After that u can choose specialized area where u can make ur career plan. If u wish to work as System Administrator than RHCSA+RHCE is ok with ur CCNA. If u like to go further then u can opt Virtualization Administrator highly demand now a days. If u want u can opt ..