Which English proficiency test suits a BTech graduate with 6 months of work experience and IELTS 6.0?

An IELTS 6.0 is a workable starting point, but most competitive postgraduate programmes abroad ask for 6.5 or higher, so the real decision is not which test is easiest but which one gets you to your target score fastest and is accepted where you actually want to apply. That answer changes with your destination country, which is why naming a country narrows this down considerably.

PTE vs IELTS vs TOEFL vs Duolingo

Why Your BTech and 6 Months of Experience Do Not Decide This

• Your academic background does not change which test a university accepts; only your target country and programme do.
• Retaking IELTS makes sense if you are already comfortable with its face-to-face speaking format and just need a higher band.
• Switching to PTE makes sense if you found IELTS's speaking section stressful or need results faster for a tight deadline.

My Advice

I would not decide this in isolation from your target country. Tell your counsellor exactly which countries and universities you are applying to, then pick PTE if speed and computer-based scoring suit you, or retake IELTS if you are already familiar with it and just need to close the gap from 6.0 to 6.5 or 7.0.