Hardware & Networking

Fees structure of CCNA depends on the institute. Every Institute fees will differ so To know the Fees Visit Koenig Solutions.

IT Security & Ethical Hacking is a full-time certification course. It won't be possible to pursue this course along with your BA.

Opt BE CS or BE IT (If you can). Otherwise, go for BCA & cyber security certifications.

As far as the best Institutes for networking are concerned, you can think of these institutes below. Of course you, will have to check for the locations as well.I-Media Solutions - Pune
Network Systems - Kerala & Tamil Nadu
Networkers Guru - Delhi
EIIT - Noida
Network ACE - Indore
Networks Era - Kanpur
NetworkBulls - Delhi
Networkers Home - Bangalore
Netexperts - Noida.

Computer Science is the best for the Ethical Hacker.

For the networking, if you want go abroad, it is up to you, but in India, for networking the best place is Defence Institute of Advance Technology. It is the better option to opt for.