Dedicated and hard working professionals can reach to the top position soon.
In India, a fresher may get the salary package of 3 or 3.5 lacs per year.
Experienced hardware and networking professional receives good salary package. As you will get more experience in an organization, your salary will increase accordingly. Salary will also depends upon your job profile and type of organization you are working for.
Some of the best books to study computer hardware and networking is mentioned below:
Computer Hardware & Networking – Vishnu P. Singh
Hardware & Networking – Vikas Gupta
Eureka Advanced: Hardware and Networking – B.S. Yadav
Fifth Edition Computer Networks – Larry L. Peterson, Bruce S. Davie
Fundamentals of Computer Hardware – Mandeep S. Bhatia