Pros and Cons of IRS and IPS? Which is the best option between the two?

dear sir,
IRS and IPS
please lets me know the pros n cons of these services...which is better among the two n why....

Related UPSC Questions:

• Tell the pros and cons of magazines 'Wizard' & 'Chronicle'?
• Is it good to opt medical science as optional subject for UPSC Mains exam? What are the pros and cons of it?
• What are the pros and cons of NDA & NA exam which will be conducted by UPSC?
• Discuss the pros and cons of taking bengali language as my optional subject?
• What are the pros and cons of UPSC CSAT?
• Pros and Cons of Goods and Services tax act?
• What is meant by interim budget? Explain the pros and cons of it?
• Best optional subject between History and public administration? What are the pros and cons of both?
• What are the pros and cons of Public administration as optional subject? Why most of the aspirants select this subject as their optional paper?
• I am a medical student. But don't have complete knowledge on it. Can I dare to take Medical sciences as my optional subject for mains exam? What are the pros and cons of my decision?