NEET 2020 will held in 155 Test cities. The no.of centers might be doubled because social distancing has to be demonstrated even if the exam is being conducted in July. Which means the no.of students a test centre can accomodate will reduce due to social distancing. Though there is no official information about this, it is highly likely that when NEET 2020 is held on July 26th, the no.of test centres will be increased from last year. Please check the list of test cities available for 2020: https://medicine.careers360.com/articles/neet-exam-centres