dear keerthi, congratulations for your board exam score. Your TS percentile will be calculated in this way, 25% will be taken from your board marks and 75% will be taken from your TS Eamcet marks. 25% from your Board marks 595 , then you will get a percentile of  24.7% and 75% from your TS eamcet marks ,then you will get a percentile of  21.0% . In total your TS eamcet percentile will be 24.7+21.0=45.7 ,then your rank will be approximately ranges from 35k to 50k depends on the participants.