Which book is best for statistics for ISS Exam?

Important Book For ISS

Statistics:

1) SC Gupta and VK Kapoor(Applied and Mathematical)

2) NC Giri (Design Of Experiment)

3) Primal Mukhopadhyay(Applied statistics , Mathematical Statistics and Sample survey)

4) Gun Gupta and Das gupta

History

1. India’s Struggle for Independence – Bipan Chandra

2. Indian Art and Culture by Nitin Singhania

3. NCERT XI (Ancient & Medieval)

4. NCERT XII (Modern Indian History)

Geography

1. Certificate Physical Geography – G C Leong

2. NCERT VI – X (Old Syllabus)

3. NCERT XI, XII (New Syllabus)

4. World Atlas (Orient Black Swan)

Indian Polity

1. Indian Polity – M Laxmikanth

2. NCERT IX-XII

Economics

1. Indian Economy by Nitin Singhania

2. Economic Development & Policies in India – Jain & Ohri

3. NCERT XI