The team of SRPF Group-2 was posted in Mumbai for about two months and they returned to Pune on Monday. After returning, some of them had developed symptoms.
Those having symptoms were tested and out of them, three have tested positive.
The positive SRPF personnel have been shifted to hospital.
With 778 new coronavirus cases, the total number of COVID-19 positive cases rose to 6,427 in Maharashtra on Thursday, said the state's health department.
Out of the total cases, 840 people have been discharged, added the health department.
( With inputs from ANI )