Thanks for this interesting question.
While this is hard to answer, here are some useful resources to help you decide which consultancy to choose in Nepal for Australia and which language test is best in Nepal.
- How to find the best Australian consultancy in Nepal https://lakshmanbasnet.com/ask/best-australian-consultancy-nepal/
- Best consultancy in Nepal for studying in Australia Video https://youtu.be/_KW4eO9NKEc
- IELTS vs PTE – This is What I’d Choose [Video in Nepali] https://youtu.be/SXkSN8u_Zxs
- Scoring 86 in PTE 1st Attempt Without Any Classes [PTE Test in Nepali] https://youtu.be/tbfzVo_-3BY
Best wishes for your endeavours.