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Satyajit Ray (1921–1992), a Bengali film director from India, is well known for his contributions to Bengali literature. He created two of the most famous characters in Feluda the sleuth, and Professor Shonku the scientist. He wrote several short novels and stories in addition to those based on these two characters. His fiction was targeted mainly at younger readers (mostly teenagers) , though it became popular among children and adults alike.

Ray during recording of his film Pather Panchali
Most of his novels and stories in Bengali have been published by Ananda Publishers, Kolkata; and most of his screenplays have been published in Bengali in the literary journal Ekshan, edited by his close friend Nirmalya Acharya. During the mid-1990s, Ray's film essays and an anthology of short stories were also published in the West. Many of the stories have been translated into English and published.
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B) Contact metamorphism can occur.
The Digital Revolution refers to the advancement of technology from analog electronic and mechanical devices to the digital technology available today. The era started to during the 1980s and is ongoing. ... The Digital Revolution is sometimes also called the Third Industrial Revolution.