War is justified only when it is meant to fight evil and injustice and not for the purpose of self aggrandizement .....
Law of action requires one to engage in battle for upholding law, justice and righteousness. To him/her, nothing is more ennobling than a fair fight. Therefore we should wage war to defeat unrighteousness and ought not to waver from our duty .....
If, however, you refuse to fight this righteous war, abandoning your social duty and reputation, you will certainly incur sin ......