Yes, you can pursue a PhD after completing an MCA, even if it is done in online mode, as long as the online degree is recognized by a legitimate university or institution. However, some universities may have specific eligibility criteria regarding online degrees, particularly regarding accreditation. It's essential to confirm that the online MCA program is accredited and recognized by relevant academic bodies. Many institutions do not discriminate against the mode of study if the degree is valid.

For more details you can visit the link given below

https://www.careers360.com/university/jawaharlal-nehru-centre-for-advanced-scientific-research-bangalore

.