Will you please tell me the names of Best universities for doing Ph.D course after MCA??

Yes sure, here I am telling you the names of Best universities for doing Ph.D course after MCA in India:

Indian Institute of Technology, Kanpur

Indian Institute of Technology, Delhi

Indian Institute of Technology, Mumbai

Indian Institute of Technology, Guwhati

Indian Institute of Technology, Hyderabad

Beside those institutions there are so many institutions like:

National Institute of Technology Calicut (NITC)

Department of Computer Science, Banaras Hindu University (BHU)

Symbiosis Institute Of Computer Studies & Research(SICSR), Pune,

Bengal Engineering and Science University(BESU), Kolkata

Chennai Mathematical Institute (CMI), Chennai

Indira Gandhi National Open University(IGNOU)