to do Phd after MCA is good or not. Because I want to go for professor job in any National institute etc.

Hi krishna, You can certainly opt for a Ph.D after your MCA if you are keen to pursue research level and other than this you can also write the UGC NET so to be eligible to pursue a career in Lectureship. To know about the Universities offering Ph.D, refer to the following link: http://tinyurl.com/