You can start by looking in local Bengali bookstores. They usually have a section dedicated to Bangla literature, and you might find science fiction books there.
One well - known Bangla science fiction book is 'Byomkesh Bakshi'. It combines elements of mystery and science fiction in a unique way. The stories often involve strange scientific phenomena and intelligent deductions.
You can start by checking local libraries in areas with a significant Bengali population. They are likely to have a section dedicated to Bangla literature, including science fiction books.
There is also 'Shinghashon'. It takes readers on a journey through a post - apocalyptic world where the remaining humans struggle against various challenges, including mutated creatures and a harsh environment.
One well - known Bangla science fiction book is 'Byomkesh O Agnibaan' by Sharadindu Bandyopadhyay. It combines detective elements with science fiction concepts in an interesting way.
One main theme is the exploration of technological advancements and their impact on society. For example, how new inventions change the way people live in a Bengali cultural setting.