ISB Pre-term References:

Accounting:

Financial Accounting :
Tools for Business Decision Making by Paul D. Kimmel, Jerry J. Weygandt, Donald E. Kieso, John Wiley & Sons, Third Edition, 2004
Schaum`s outline of theory and problems of financial accounting by Shim Jae K and Siegel Joel G, Tata McGraw-Hill, 2004 Bus

If you want to avoid buying costly books then refer this link:

http://www.principlesofaccounting.com/

Statistics:
Required Text Book: Aczel, A. D. and J. Sounderpandian, Complete Business Statistics, Fifth Edition, Tata McGraw Hill
Reference Text Book:
Murray R. Spiegel, 'Theory and Problems of Probability and Statistics', Schaum's series, McGraw Hill.