Hey Abhay arya,

IOT has lots of scope for the next 5 years. The current trending technologies are Machine learning, Artificial Intelligence, Cloud computing and IOT. IOT is used in many of the streams or domains such as:

1. Health Care

2. Manufacturing sector

3. B2B devices

4. Investment Returns

5. Households

6. Fashion Industry

7. Intelligent Thermostat.

for more details about the scope of IOT you can refer this article:

https://hemrajinfocom.com/awesome-predictions-scope-iot/