In which year the Princely State of Koch Bihar merged with West Bengal
| Question | In which year the Princely State of Koch Bihar merged with West Bengal | |
| Type | multiple_choice | |
| Option | 1947 | incorrect |
| Option | 1948 | incorrect |
| Option | 1949 | incorrect |
| Option | 1950 | correct |
| Solution | On January 19, 1950, Cooch Behar underwent a transfer and amalgamation process, becoming a part of the province of West Bengal. This significant event marked the emergence of Cooch Behar as a new district on the administrative map of West Bengal. | |