D Deepika 🎓 Tutor III ⭐ 5.98K Points 📊 Economic Q. Headquarters of Indian Patent Office is located at? (A) Chennai (B) Mumbai (C) Kolkata (D) Hyderabad 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) Kolkata You must be Logged in to update hint/solution 💬 Discussion 💬 Comment