Hello candidate,

Here is the list of some of the best GK books which we can get online for preparation of English test in central universities-

General Study 14,000+ Objective (Buy Online)

Lucent's General Knowledge

R.S. Aggarwal's S

Disha Experts' Rapid General Knowledge 2020 for Competitive Exams

Arihant Experts' General Knowledge (Buy Online)

The Pearson Concise General Knowledge Manual (Buy Online)

Hope you found it helpful. If you have any further queries feel free to post it here!!