Hello student I'm sorry to inform you but no BCA graduate student are not eligible for CSIR NET.

As per eligibility criteria Candidates must hold an Msc or equivalent degree / Integrated BS-MS / BS-4 years / BE / B.tech / B.Pharma / MBBS with at least 55% marks in order to be eligible for CSIR UGC NET.

For more details refer to the link mentioned below - https://www.google.com/amp/s/competition.careers360.com/articles/csir-ugc-net-eligibility-criteria/amp

Feel free to comment if you've any doubt

Good luck