The maximum salary can be anything because if you look at the record maximum salary of a mechanical engineer then in US it can go upto 1.3 lakh US dollars per annum however if you look at the salary of mechanical engineer in India then as a fresher you can go inside us 15 lacs per annum went with experience this can increase. If you look at the average salary of mechanical engineer in India then it is around 3.5 lacs per annum and out of most of the Mechanical Engineer day move to some other position as they can experience and also if you acquire some skills such as programming or engineering design and management then your salary will also increase.