I hope you are on your way to Cisco's top most certification level CCIE. CCIE is the abbreviated form of 'Cisco Certified Internetwork Expert'. CCIE certificate is given for those candidate who are experts in any one of the Cisco domain fields like Routing & Switching, Voice, Wireless & Security. There are no pre-requisite for taking CCIE exam, those who are having 3-5 experiance in the respective domain can take the exam. CCIE certificate validity is 2years. You need to re-take the theory exam once in two years to extend the certificate validity period.
Most reputed companies are hiring CCIE certified professionals. As CCIE is considered as expert level certification, normally all company will provide salary on the scale of highest domain engineer (or manager) according to the company norms.
If you hold a CCIE in R&S (Routing & Switching)with 2+ years experiance, you can easily demand 12-20lakhs/annum package in India. And if you are trying on overseas especially KSA, your salary can be hiked upto 25-30lakhs/annum(INR).
Current CCIE holders in the world are only near about 22,000 people. So there will be a high demand for an experianced CCIE candidate. If you are CCIE holder and a fresher, the salary may depend on your knowledge and pre-concepts. But still you can get 8-10lakhs/annum in India.
Cisco domains like Voice, Wireless and Security are booming nowadays on IT fields. Wireless communications, IP Phones and Securities are the latest hot trends that company focussed on networking domain. So as a final step you should be more consious on selecting the domain for your CCIE.
Wish you all the best on your journey..!