About a decade before Indian independence, this British documentary tried to show the “positive” side of Indian life under British rule — including its saris. In 1938, the British government commissioned Count von Keller, his wife, director Hans Nieter, and English cinematographer Jack Cardiff to make a series of technicolor travelogues. The films were polished, picturesque, and unmistakably colonial in intent. This one was titled “Delhi.” “Delhi” paired Cardiff’s languid, dreamy scenes with oft