The range of cut off score for every year changes every year. With 148 marks the probability to get a seat in any of the government medical college is very low. Do not be upset. There are a lot many other courses you can opt for graduation. Or, you can even prepare for NEET again. Do not lose hope. Give it a try one more time. You can use the Knockout Package which is mentioned below in the link.

https://learn.careers360.com/knockout-neet-may