Mechatronics Engineering is combination of various engineering branches like Mechanical, Electrical, telecommunication, control and computer engineering.

Yes, you can go for Mechatronics Engineering if you have interest in this branch as there is increase in demand of mechatronics engineering. There is growth in this branch but if we compare the scope from the other branches then it has less scope  as it is new branch.

Most fresh engineers start at Rs 15,000 to Rs 20,000 per month. Those with experience can get salary of Rs 25,000 to Rs 40,000 per month. 

Good Luck!!