πŸ“Š Geography
Q. When and by whom the PIN coode system was introduced in India ?
  • (A) Savinder Singh
  • (B) Shriram Bhikaji Velankar
  • (C) D.R. Khullar
  • (D) Mahesh Barnwal
βœ… Correct Answer: (B) Shriram Bhikaji Velankar

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