An honors degree in engineering from RGPV university requires a CGPA of 7.5. It will not be difficult to get good grades if you study hard, complete your assignments, and take advantage of resources such as study groups. You only need to take your classes seriously and you'll be fine.
Remember that the material provided to you is excellent. Any college degree could be difficult if the program is designed to push you. Unfortunately, many of them are mixed group degrees. Engineering isn't one of them.