MUMBAI : Vistara, a joint venture airline of the Tata Group and Singapore Airlines, also joined the COVID-19 vaccine transportation drive in the country on Wednesday, carrying multiple shipments to various destinations including a flight to Varanasi from Mumbai.Vistara is actively participating in transportation of COVID-19 vaccines and collaborating with the government-approved suppliers, the Delhi-based airline said in a statement.The airline shared photos in its official Twitter handle and tweeted,"We are actively participating in the transportation of COVID-19 vaccines & collaborating with the government-approved suppliers.