As there are many fields in the CWE (clerks)so you need a good knowledge in each and every field which will come in exam. There could also be some students good in reasoning and general English Language, but not good in aptitude then there is no job in bank for these types of students. There is no need to get perfect in each and every section, but you have to just set target for each .....
The present position of every country is in itself an answer to the choice of employment of its citizens. India, being a country which is termed as a developing one needs to be financially stable where it can overcome the situations of undercapitalized country and over capitalized country, therefore, the role of banks are very vital and from the employment prospect one can very well understand the importance of being in such a field. IBPS, .....