Dear Reshma, 

As stated before, the dates of AP NEET second round of counselling haven't yet been released by the counselling conducting body (NTRUHS). In the meanwhile they are released, you can track the same from the link given below. The link to participate in the second round of AP NEET counselling will be updated here as soon as it is made available by the official authorities. 

AP NEET Counselling 2018

Hope it helps. 

All the best!