Hello dear,

You have got 30642 in ap eamcet and belong to  oc category.  With the mentioned rank it is difficult get btech biotechnology.  The last rank that got admitted in andhra universiy   college of engineering was for the rank 13984. It is better to try another branches with your rank.

You can visit the link given below to know more about the colleges that you will get with your rank

All the best for your future.