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Suspecting intelligence officer Rabinder Singh was a CIA double agent, counter-intelligence official Amar Bhushan risked his career to spy on him.

When insurgents occupied the Sikh Golden Temple in the 1980s, intelligence officer Ajit Doval went undercover and lived with the militants for months.

Grateful for her rescue from bandits by Sikh leader Hari Singh Nalwa, Sharan Kaur served him loyally as spy and assassin until his untimely death.

When war erupted in 1971, spymaster R.N. Kao organized Indian support of the guerrilla forces that helped win Bangladesh's independence from Pakistan.

When King Prithviraj Chauhan was captured in battle in 1192, court poet Chand Bardai disguised himself as a holy man to infiltrate the enemy's ranks.

Being a woman didn't stop Durgavati Vohra from playing an active role in violent revolutionary activities against the British raj in the 1920s.

Spurning Gandhi's call to nonviolence, teenage Saraswati Rajamani masqueraded as a boy to spy for radical nationalist Netaji Subhash Chandra Bose.

In 1975, India sent actor-turned-spy Ravindra Kaushik into Pakistan, where for years he worked undercover gathering important military intelligence.

During the Indian Rebellion of 1857, sophisticated courtesan Azeez-un-Nisa used her wiles to spy on the British and pass secrets on to rebel leaders.

Sent by the gods to learn their demon foes' secret mantra of resurrection, sage Kacha infiltrates the family of the demon-lord who possesses it.

A well-heeled Sufi poet and author, Noor Inayat Khan became a daring spy in World War II, valiantly helping the French Resistance in occupied Paris.

In the 17th century, fabled spy Bahirji Naik enabled warrior king Shivaji's tiny army to successfully use guerrilla tactics against much greater foes.

As the Maurya Empire expanded during the Iron Age, royal adviser Chanakya sent his undercover operative Jeevsiddhi to spy on the rival Nanda dynasty.