setting for First name and last name

Hi All,

My requirement is in Personal data, I fill last name, middle name, and first name.

the same is displaying correctly in report.'

but in some of the report , in place of first name last name is comming, and fisrt name is displaynf on last name.

can anyone tell me where is the setting for it.

also, the same thing is happening for date, instead of DD/MM/YYYY it is displaying MM/DD/YYYY.

REgards