HI 

HARSHITHA REDDY 

there is no perfect number to mention how many candidates appeared for the it is based on their norms how many people will be called for the interview and the qualification criteria is as under

1.the candidate should have minimum 60% of marks SSC or equalent 

2.candidate should pass 10+2 or equalent but the candidate shouid appear maths,physics and chemistry with an  average of 60% and also the candidate should appear maths, physics and chemistry in the entrance exam