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The correct answer is option 4, which states that there are 8 pin code postal regions in India.
Pin codes or postal codes are numerical codes assigned to specific geographic areas for efficient mail delivery. In India, the postal system uses a six-digit pin code system. These codes help in organizing and sorting mail and packages for delivery.
The country is divided into various postal regions based on these pin codes. Each region represents a specific area or group of areas within the country. The number of pin code postal regions in India is determined by the number of distinct regions that have been identified for postal purposes.
In this case, option 4 is correct, stating that there are 8 pin code postal regions in India. It indicates that there are 8 distinct regions within the country that have been assigned unique pin codes for efficient mail delivery.