@Bhargav
You can find PDF books on the following link,
http://www.cssforum.com.pk/css-compu...rar-ahmed.html
or can download from
Tanzeem e Islami | Founded by Dr. Israr Ahmad, Working for Khilafah
Welcome to Islamic Library
I hope it will give you complete material for the general and current affairs topics...

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People do not like to think. If one thinks, one must reach conclusions. Conclusions are not always pleasant.