Combined Engineering Services exam (Vs) Indian Engineering Services? Are they both same? Which one of the two allows a Textile engineer to attempt the exam?

hello
combined engineerng services exam vs indian engineering services exam are they both same which one of them allow a textile engineer to attempt he exam?
thank u

Related UPSC Questions:

• Is a petroleum engineer eligible to give indian engineering services exam conducted by upsc?
• TNPSC combined Engineering service exam model Question for Electronics communication Engineering?
• Need previous question papers and study materials of TNPSC Combined Engineering Services Exam.
• Is there any negative marks in TNPSC Combined Engineering Services Exam for the post Assistant Engineer(Civil)?
• What is the scope for Automobile Engineers in Indian Engineering Services? After clearing IES written exam, will automobile engineers treated separately in Interview or considered equivalent to Mechanical Engineers?
• Is a petroleum engineer eligible to give Indian Engineering Services Exam conducted by UPSC? Is it true that only Mechanical, Electrical, Electronics & Communication, Civil Engineers are only eligible for IES exam?
• IES or GATE after B.Tech (ECE)? Which one to choose?
• What jobs will I get after passing IES?
• Which book(s) should I follow for Combined Engineering Services Examination (Mechanical Engineering)?
• What are the Job Opportunities for BE students in UPSC? Important dates for the same?