The World Health Organization (WHO) had declared novel coronavirus (COVID-19) as a global pandemic. Almost all sectors of the industry have been affected. Every country in the world is trying to stabilize their economy. The healthcare industry is under tremendous pressure to keep up with demands and expectations. This pandemic situation has imposed a war like situation on whole world. A majority of the world is facing challenges like scarcity of resources, overburdened healthcare systems, lockdown and unemployment. This paper aims at exploring various technologies related to IoT to understand applications and challenges which needs to be addressed. IoT is being used along with various other technology like Blockchain and Artificial Intelligence. This can be very effective for remote diagnosis and treatment, which is very important in today’s situation where social distancing is most effective to battle COVID-19. This situation gave us the opportunity to understand challenges and develop solutions for the pandemic situation.