Hello Tanvi

NTA has set up test practice centres for JEE Main 2019. Only students who register themselves for JEE Main 2019 mock test can avail the facilities and appear for it available at the practice centres.
Registration for TPCs are done on a weekly basis. Candidates are allotted the TPCs one day before the scheduled mock test.
The date, time and TPC address for the mock test are sent to the registered mobile number of the candidate.

Good Luck!