How much time will it take to learn C and C+ language?

Depends on you and the determination you show towards it! But most probably you will get the Syntax of the language fairly quickly (1-2 months with no experience) assuming you have no experience with programming: You have to keep learning 2-3 hours per day 5 days per week.

That depends on your aptitude to learn programming languages. Normally, it takes only a few weeks to learn the basics, but exploring and learning the various nuances of this language can take a lifetime. I would suggest you take a coaching class if you feel that will help you learn quicker, or if yo