Which of the following is an IoT application?

A. Smart Home स्मार्ट होम

B. Wearable Devices विअररेबल डिवाइसेस

C. Industrial Automation इंडस्ट्रियल ऑटोमेशन

D. All of the above ऊपर के सभी

Correct Answer is :

D. All of the above