how much % i have to score in 9th and 10th class so that i can easily take admission in best iit koaching instute

Frankly speaking the percentages of 9th & 10th standard do not form the criteria for admission to any coaching institute. Yes, the higher percentages in IX & Xth are surely an indication that you have absorbed the sbject knowledge well. And that only should be your aim at the school level. Make your

Hi Kaushal, Generally, to study engineering you need to pass 12th in Science (Physics, Chemistry, Mathematics) with 60%. You need to appear in the entrance exam. To prepare for the exam you need to join coaching center. Below is the link of institutes offering IIT coaching. tinyurl.com/cw7r9g2