Company Secretary

CS is a lucrative career option.
In an easy and simple manner.
Well, you get enrolled go on clearing the exams and complete the training as required.
There you are a company secretary ready to take on the opportunities in the market.
Boom. Easy and simple.
Yes. It is advantageous to do graduation and CS simultaneously as it saves you 3 precious years plus you are dual qualified during the same period. So that's an added advantage.
Although you have to take some strain of studying two courses together, in the long run, you will reap benefits.
If by any means, you are unable to take on the graduation course via a regular college. Rest assured, IGNOU has got you covered. It has a graduation program especially for CS pursuing students. You might also have a look at that.
And yes CS is easy and simple if you go on clearing it in the single shot.
The only thing you need to remember is that you need to rise every time you fall(I hope you don't need that for you and clear it in a single shot.

CS is a course which can be done only be getting yourself registered with the Institute of Company secretaries of India.
There's no college for doing the course.
The work of a CS includes looking after all the legal compliance which are required to be done by a company. The laws in which a CS excels includes corporate laws including company law, labor laws, FEMA and RBI compliance among others. Also, CS is considered as a key management personnel for any company and therefore, has more responsibility than any other normal professional.
It pays off nicely, too.
The initial package on an average for a fresher CS ranges from anything between 25k to 40k.
Depending on your skills, knowledge and temperament and experience you get it enhanced.
Just for your reference, have a look at the link below, might give you an insight into the remuneration part.
http://canotes.in/list-10-highly-paid-company-secretaries-india/
All the best.