Is MBA in marketing too saturated in India?

Marketing and selling skills are key to the success of any business. Marketing is a well paid domain, so it depends upon your skills and interest.

Yes, but you still have scope if you do it from a reputed place. Also, if you enhance your skills side by side, you will do well.

No, an MBA (marketing) is a generalist vanilla program and has a good scope across industries. To attain success a lot would depend on your own skills and efforts.