Central Board Of Secondary Education [CBSE] — re-examinations of class 10 maths 2019

On 7th march 2019, maths cbse class 10th exams were conducted. We got to know that there were three sets with totally different questions.
We want cbse to take strict actions in this exams and declare it as invalid because many students of class 10 are suffering because of different questions and the students who got set 3 are suffering the most.
Every parent is sad about the exams conducted by cbse and the students are unable to concentrate on their next examinations as this exam was their first board exams.
It is a humble request to cbse members to reconduct the exams of class 10th cbse board maths because it is unfair to give the students different questions in each set. By this kind of act, cbse has broken the spirit of examinations and right to equality among students.
The only solution to this chaos is re-examinations. There is no other way to resolve this issue nationwide, many are already complaining about the mistake of exams.
If grace marks are provided then it will lead to more chaos as it will only increase discrimination among the three sets. Also, easy evaluation of answer sheets are not an ideal criteria.
I've read many of the complaints given by different students and parents, all are complaining for the different sets as some seemed hard and some easy.
According to most of the students, re-examinations is the most ideal solution to this chaos which cbse has created by giving different sets with different types of questions.
Please grant the students justice fairly.
Thank you.