TSECET 2019 exam will be held in the month of May, 2019. Which rank you have mentioned here? If you want to know the cutoff then It would be difficult to provide you the exact information as cutoff varies every year depending on the various factors like No. of candidates appeared for the exam, Difficult level of the exam, Preformance of the candidates etc. You can check the previous year college allotment list to take an Idea about.

https://tsecet.nic.in/college_allotment.aspx

Good Luck!