'Invasion') is a 1975 Indian Hindi language war film, produced by Jagdish Kumar and directed by J. Om Prakash.

The Hindustan Times noted that Rajesh Khanna in his extended guest appearance as the disabled Punjabi soldier with two emotional songs picturised on him was inspiring.

But when they are posted on the frontline during the war, and the opportunity presents itself, he realises his mistake and refrains.

In the end, the senior officer however gets killed by a Pakistani sentry by deceit and the national flag falls on him.

Apart from the romantic drama, the film also showcases the emotional remembrance of a father (Ashok Kumar) for his KIA son (not shown), who has died in the 1965 Indo-Pak-war[2] and highlights the bravery and courage of Indian soldiers and airmen during the last days of the 1971 war when India defeats Pakistan and Bangladesh is created.