Hello aspirant, 

Well the details of 2nd round counselling hasn't been yet declared by the concerned authorities. A total of three rounds of counselling process would be conducted. Till now only the 1st round seat allotment of AP-EAMCET counselling has been declared. The seat allotment is on the basis of merit, category, reservation, preferences of the candidates and availability of seats. 

You can go through this link and checkout the details of AP-EAMCET counselling 2019 : https://engineering.careers360.com/articles/ap-eamcet-counselling

Good Luck !!!