Computers & IT (Non-Engg)

PG Diploma will be beneficial for you as you have already completed your Bachelors.

Hello Uma,
I appreciate your interest in pursuing Ph.D. in computer science from computer. To assist you in choosing colleges to pursue the same, kindly refer to the link below for more information:
https://www.shiksha.com/search/?q=Phd&c=2&sc=68&sa=67^0^672,677^0^0^0&ts=1873475&rf=searchwidget&ct[]=67&sp[]=672&sp[]=677&newSearch=1
I hope this answers your question to your satisfaction. If you have any further questions, kindly revert.

India doesn't show much interest in this field but you can get many offers from foreign countries.

Please check out the link below for all the details:
http://www.cisco.com/c/en/us/training-events/training-certifications/certifications/professional/ccnp-routing-switching.html

Yeah, ethical hacking course can be learnt in part-time. Many of free online sites teach courses in ethical hacking. Just checkout on google phrase "Free tutorials of ethical hacking on YouTube"
Feel free to submit your query.

There are various jobs in IT firm, each having a different requirement. Mostly, IT firms take BE, B.Tech, BCA, MCA graduates apart from these degrees MBA, M.Tech, ME students can also apply.

Follow the official website for all the details:
http://www.stxaviersjaipur.org/bca.html

Refer the link below for details:
https://www.shiksha.com/ethical-hacking-article-4622-1

As a diploma holder, you are eligible for direct second year entry in BCA and then, your BCA duration will be of 2 years.

There are very few study centers under IGNOU offers lateral entry for BCA. For detailed information, you can check out the official link below:
http://www.ignou.ac.in/ignou/aboutignou/school/socis/programmes/detail/190/2