Where can I get a seat with a marks of 605 in NEET 2019 ( considering AIQ)?

Hello student,
You have not mentioned which category you belong to. With a score of 605, you have chances of procuring a seat in the government medical colleges when comparing the results of previous years in All India quota. It also depends on the state you choose. For example, With this score, you can easily get a college in Uttar Pradesh while it is not so in the case of states like Tamilnadu for which the scores are extremely high. The above details are for general category. But one thing to keep in mind is that scores and ranks vary each year with toughness of the exam and availability of seats. However you can predict the colleges which you are likely to get using the given link
http://medicine.careers360.com/neet-college-predictor
Good luck