can a mechanical engineer get a high pay like software engineers that means software engineer gets more salary in a year i.e 50 to 60% hike but not in mechanical so whether mechanical engineering is better or software engineering

IT all depends on from which college you are , what was your level in 12th standard. there are laksh os engineering colleges in India, earlier there were in hundreds. so if you are from good engineering college than there is no comparison of salary. FOR EXAMPLE IN IITs OR NITs VERY HIGH CALIBRE STUD