CCNA or Accounts line is good for career.?

i am 35 , working as a accountant like sales tax, tally, filing , i am having just B.com Hons degree but i want to secure my future with any profession course, fame and money well i am having basic knowledge of computer hardware and networking and software so i want to do CCNA, can any one advice pls. is this good decision to move on other track and is this possible after working 10 to 5pm somewhere i can able to do CCNA cl and study. pls. advise as i mention all thing in brief. after CCNA i will try to do CCNP ofcource but right now a per my qualification is this good decision for me to go for CCNA.