Hello Aspirant,Hope you are doing well

Yes,Both Arihant and Unique Publishers guide are good for preparing pg entrance exams.

Some strategies to crack the exam

1. Go through the syllabus thoroughly
2. Know the paper pattern and marking scheme.
3. Go through the question papers of previous years' and sample papers.
4. Start with basics.
5. Prepare a time table and stick to it.
6. Make notes and highlight important information.
7. Register for mock tests and test series.

Hope this helps you

ALL THE BEST