Khooni Saya (1970)

Enemy agents commit acts of terrorism in an attempt to sabotage India’s progress using time bombs on planes, trains and factories. Secret agent Rajesh (Hercules) learns that Hotel Green is the main headquarters or the traitors, who are forcing the proprietor and his daughter to help them. Meanwhile, government officer Chandra is murdered and his sister Mala swears to avenge his death by joining up with Rajesh to take down the terrorists at their other center, a local circus.