BSNL JAO exam is based on following subjects.
General English
General Aptitude/ Awareness
Financial Management/ Cost Accounting/ Tax and Commercial Laws

As your sister wants general English model question paper here I’m providing you:


BSNL JAO exam general English 2015



Book for BSNS JAO exam:

BSNL Junior Accounts Officers (JAO) Examination Guide (Popular Master Guide) Paperback – 2015