Hi Nakul,
We can use "Validation Transform" in BODS to remove the special characters.
Depending on whether you want to "Fail" the record if there is special character or you just want to replace all the special characters you may decide on creating the error table.
Have a look on the below thread for the similar activity:
Data services Two column validations
The below document covers most of the capabilities along with validation transform:
Also remember you need to define these rules for all the data types, i.e. char ( where ever you feel you want to control ).
I am actually documenting the similar results which i will be publishing on monday @SCN as i am currently traveling and do not have access to the system now.
Regards,
Krishna Tangudu