Banking, Finance & Insurance

There is no need of coaching believe me, if you are a bit good in maths and have average reading skills you can easily crack the exam.
All you need is few books and regular tests.
There is no such specific book. There are multiple book each for each parts, and some multiple.
So, sections of exam are:
Gk and CA
English
Reasoning
Aptitude
Books recommended for each section are :-
1. Gk and CA : Ncert - 8th to 12th social science ( History, political science, Geography, Economics), and Science (physics , chem , Biology (imp))
As most of it will be covered by this, now what you require after all this is filling gaps for that you will require :
YEARBOOK 2016 ( of any publication , I recommend Disha, recently they released 1st edition of their yearbook, I saw the book it has good compilation), or Lucent GK as everyone recommends.

The Financial Risk Manager is a global certified program based in the US and offered by the Global Association of Risk Professionals. The course consists of two parts and prepares you for everything from risk management and measurement to quantitative analysis techniques, as well as financial markets and products and evaluation models.
The FRM course requires the candidate to have two years of full time working experience in the finance arena which can be in the form of risk management, trading, academia, equity research, portfolio management, auditing, economics, risk management or risk consulting.
What is MBA or Master of Business Administration?
A Masters degree in business administration prepares you for the field of business and is typically for people who want to make a career in marketing and general management. The two years course offered in business schools prepares you for management analysis and strategy while providing a thorough knowledge on accounting, finance, marketing and human resources.
The MBA course is available in full time, part time and distance learning processes, with each having a significance of its own in the industry.
FRM vs MBA Requirements
The cost often plays a huge deciding factor for many and is one of the biggest disadvantages of an MBA program. While MBA is a two year rigorous study filled with internships and exams, passing the FRM certified course is more difficult as it requires a great amount of dedication and hard work from the entrant. The success rate for FRM courses is 45% to 52% and this can give you a fair idea about its difficulty. The FRM is a multiple choice questions exam.
The MBA program is set in a semester mode and the two year course sees a candidate pass out four semesters. The success rate of a candidate in this program depends on his GPA, test score, strong work ethics and internships, great recommendations by professors as well as industry professionals with whom he has rubbed his shoulders and his leadership qualities and abilities to come out with an edge amongst his peers. Thus career prospects vary and depend on an individuals talent and hard work.