Presuming that you both are working on the same post, a simple
matter of fact application is given below:
To,
..............
Sir,
Sub: Request for mutual transfer
This is to bring to your notice that Mr. ......, (Name) ...... (designation) and myself, ........... (designation) are working in XYZ Company at ---------, ----------- (location of posting) respectively.
We request that we may be mutually transferred to each other's place in our existing grade and pay, protecting our seniority.
We are both thankful to the management for considering our request favourably,
Thanking you
_________
(Applicant No. 1)
_________
(Applicant No. 2)