hi,

see most of the phd course institutions has options for working professionals who want to pursue phd degree as per time course option. but there is no college which allows to achieve phd degree as non attending students, however there is options , if your phd guide allows you to flexible work hours.

some of the top institution to pursue phd in information technology is,

GITAM University.

Christ University.

AISECT University.

DAIICT.

Indian Institute of Technology.

National Institute of Technology.

P.S.G. College of Technology.

Periyar Maniammai University.