Excellent resource for competitive exams

How to save time in competitive exams
-Speed.Mathematics.Secret.Skills.for.Quick.Calculation
-r s agarwal-aptitude-2.5mb
-clerk exam papers
Link:http://rapidshare.com/files/340029316/6895468975.part1.rar
        http://rapidshare.com/files/340031752/6895468975.part2.rar
Getting better and confidence over english
20 useful english books which will guide you
contents

Dictionary Cambridge English Grammar - Check Your Vocabulary for IELTS
Advanced_English_C_A_E_Grammar_Practice
American Accent Training
Basic_English_Usage_[Oxford]
Cambridge - English Vocabulary in Use - Elem
Cambridge - English Vocabulary in Use - Pre-int_Int
Cambridge - English Vocabulary in Use - Upp_Adv
English.Grammar_-_OUP_-_The_Oxford_Guide_To_English_Usage
Essential Grammar in Use Supplementary Exercises
Jossey-Bass - English Brainstormers - Ready-to-Use Games and Activities that Make Language Skills Fun to Learn
L._Rozakis_--_English_Grammar_for_the_Utterly_Confused
Longman_English_Grammar_Practice_intermediate_Self_Study_Edition
NTC's American Idioms Dictionary
SpeakEnglishLAA_1
The A-Z of Correct English Common Errors in English
wEBSTER Essential vocabulary
Word Formation In English
Ins_and_Outs_of_Prepositions
The Ultimate phrasal verb book
New Grammar Practice pre-int with key
Link:http://rapidshare.com/files/340040175/985458956.part1.rar
        http://rapidshare.com/files/340042680/985458956.part2.rar
        http://rapidshare.com/files/340045570/985458956.part3.rar

NID previous year papers and  Sample Entrance Question Paper 
Link1:http://www.fashionaptitude.com/testsets/sample_paper_for_nid-GDPD.pdf
Link2:http://www.fashionaptitude.com/testsets/NID_Sample_paper_-PGDPD.pdf
Link3:http://www.nid.edu/download/testpaper1.pdf
Link4:http://www.nid.edu/download/testpaper2.pdf 
Link5:http://www.nid.edu/download/testpaper3.pdf