griffths is the best book but the language is tough, so you can buy grifths, arthur biser . if you read these two, u definitely do all problems in qm..these books are enough for ja...
I suggest you , concept of modern physics by Arthur biser, this book very helpful for you to clear concept, and Qm mechincs by Griffith , and Qm by zettli also very helpful.
dear you should follow quantum mechanics by Griffith . i 9 zettili is good but it's language is li'l bit tough and Griffith wrote it so nicely that u will enjoy it. and for mathema...
You can follow Zettili and Griffiths to clear conceps of quantum mechanics.Then for question answer practice for exam point of view you can follow any book or study materials.