How to mitigate costs when modifying or cancelling a Purchase Order

Poor supplier performance can result in significant (10-20%) indirect costs. However, by applying certain risk management practices to your operations, you can reduce your risk significantly.
Where can you go to find out company information in India?

Information on Indian companies is maintained nationally as well as in the state they are registered. The Ministry of Corporate Affairs (MCA) maintains a national database of information on Indian companies and limited liability partnerships (LLP).
An Introduction to Open Source Software

Open-source software is software that generally allows a user to use it free of charge for any purpose, to access the source code of the software, to study and modify the source code, to distribute copies of the software to others and to redistribute modified versions of the software (derivative works) to others.