Watch Kab? Kyoon? Aur Kahan?

Kab? Kyoon? Aur Kahan? is a 1970 Bollywood thriller directed by Vijay Anand and produced by Dev Anand. The film stars Dharmendra, Babita Kapoor, and Pran Sikand in lead roles. The movie is about a secret agent, Kumar (Dharmendra), who is tasked by the Indian government to recover a stolen microfilm from a foreign spy that contains highly confidential information about a secret formula. The microfilm has been secretly placed in a woman's purse, and Kumar is assigned to find the woman and retrieve the microfilm.

He manages to locate the woman, Shobha (Babita Kapoor), who is unaware of what is happening and soon becomes entangled in a web of danger and suspense. As the story unfolds, we discover that Shobha is not an ordinary woman, and she has a mysterious past linked to the microfilm. Kumar finds himself falling in love with Shobha but is torn between his love and his duty as a secret agent.

Pran Sikand plays the role of a wealthy businessman who also has a vested interest in acquiring the microfilm. He hires his own team of spies to track down Kumar and Shobha and retrieve the microfilm. The plot thickens as Kumar and Shobha find themselves running for their lives, facing one danger after another, with no idea who to trust.

The film is shot mostly in black and white and some portions in colour and has a good pace throughout. The music is composed by Kalyanji-Anandji, and lyrics are written by Anand Bakshi. The movie has several memorable songs like "Kab Kyun Aur Kahan", "Chal Shuru Ho Ja", and "Daata Tu".

The movie's direction is excellent, and the screenplay is captivating, keeping the audience engaged till the end. The chemistry between Dharmendra and Babita Kapoor is very good and adds to the movie's charm. Pran Sikand also delivers a noteworthy performance as the shrewd businessman.

Overall, Kab? Kyoon? Aur Kahan? is an entertaining thriller that showcases Dharmendra's acting skills as he navigates through a complex web of deceit, danger, and romance. The film is a classic Bollywood spy thriller that will keep audiences on the edge of their seats with its twists and turns.