The required cutoff varies depending on various factors. Generally, you should have a percentage above 90%, if you want to take admission in B.Sc CS at Holkar Science College. If you have above 90%, you can choose your preferred combination of subjects. There are many subject choices.
Holkar Science College is a decent institute. But it may not offer you job opportunities, after the completion of your degree. You will have to seek opportunities on your own. If you have other options, it’s better to consider them.