About the Book: When Sikh separatist Hardeep Singh Nijjar is gunned down in Canada, Western capitals erupt in outrage. Beneath the diplomatic denials and public condemnations lies a darker truth. For years, a covert arm of India’s external intelligence agency, the R&AW, has been quietly hunting its enemies abroad, from terror financiers in London, separatist leaders in Vancouver to ISI assets in Karachi.