do ca or cs. for heavens sake dont ever pronounce the letters c w AND a . its a non sense course meant to erode you intellectually and financially, i am suffering a lot now since i chose cwa over cs and ca. all the best for your ca and cs.
According to me, CAs are paid less than MBAs because the latter have better practical knowledge and are better at their presentations. Thats why we now have GMCS Course. But i think CA with MBA is better.
There are many courses which you can pursue with CA. However the choice and decision depends upon many factors like interest, cost, duration, time devotion etc. depending upon your circumstances.
Some of them are
CS, ICWA, CFA (US), CMA(UK). these are Long term duration with ore than 3 years.
CPA, CFP, CIA, CISA atc. are medium term duration depending upon the devotion and your level of knowledge.
Further there are many certification Programmes like, CIFRS, NCFM, CMA (US) etc.
Select the depending upon your field of interest and personal circumstances.
The combination of CA+CFA is good in case the interest is for Investment banking and Portfolio Management.
The combination of CA+CPA is good , in case interest is in Accounting and Auditing field.