CT1, CT2, CT3, ARE1, ARE2, ARE3

https://www.cbec.gov.in/excise/formidx.htm

you will get all your requisite form here

CT= Credit transfer ( the bond holder transfers credit to manufacturer for clearance of goods ) 1/2/3 you can read in form itself

ARE = Application for Removal for Export .............. 1/2/3 you can read in form with purpose, 

Please tell me anyone, Form CT3 in Excise is for export or domestic