what is the meaning of improvement examination which is given after 12th ?

if the student feels that he can give a better performance, if he can write an examination again,he will pay the required fee and appears for it.if he gets more marks in the improvement examination,he can keep them.or else,hie earlier marks will be retained.

is one way to get the 12th certificate in same yr. if u fail

Hi Varun. Improvement of examination in 12th means giving better performance than your earlier marks you got in the first examination. In fact you are not satisfied by the first marks. All the best. Regards. Gijoo