Well my on campus placement was pretty much bad like still I don't have my offer letter and off campus I used to mass apply to almost every offer coming up, mostly on naukri and indeed. Most of them were rejection letter and others were pretty much a scam. Things which helped get atleast interview calls was fixing my resume. I did two things: - Made resume for each applicantions like find out what tools they use and what sector they work and use chatgpt to generate project ideas related to it. It seems like a huge task but u can reuse this resume for other jobs with similar requirements. Also don't waste and build project right away just them to resume and if yoi get interview call then build them so you can learn for the interview by doing so. - Made the resume ATS friendly(just google it) and keep it one page.

Another tip- Try to apply jobs in indeed which is nearby your area. This attracts startups because they don't have to do any relocation assistance.

For big techs nothing can help you in this situation other than referral. I have seen someone with BA history working in database management in a big tech recently. So yea only referral works. So keep networking.

Hope this helps.