As all say, the basics are what takes you ahead!
For being a hacker ( a real one)
Learn programming ( its not an option, rather a must!)
Learning to make your own tools is a must for a hacker, start with learning C/ Python. Upon advancing get hands dirty with Ruby/ Perl. These will help you make scripts to automate attacks and create tools.
Once you are adept at this, learn atleast one servers side language ( preferably PHP, otherwise JSP/ ASP)
2. Once with programming, learn database! That’s where the heart of information of any site lies. SQL queries, database management systems will help you immensely in attacks such as SQL Injections etc.
3. Linux and Shell Scripting. Oh yes! Never you will find core hackers lurking in windows! To harness the true power of hacking, you have to get hands on in linux and shell scripting, most of the hacking tools are also in Linux based systems also! ( greatest proof: You will find backtrack/ kali linux)
4. Now comes the part of networking! In and out of TCP/ OSI Layers and IP classes, VLAN, subnetting is a must for having knowledge when it comes to Network Penetration Testing.
The above all are in a nutshell. Once you master them, you have a wide array of domains to choose from including but not limited to:
Penetration Testing and Vulnerability Assessment ( Web Apps/ Network/ Mobile/ Thick Clients/ Web Services etc)
Binary/ Network Fuzzing/ Exploit Development/ Hunting 0 days
Malware Analysis and Reverse Engineering
Cyber Forensics
IOT/ Cloud / VOIP Security testing
Goodluck.

I guess this was helpful to some peepo

Yup... I guess it was helpful.

What do u mean about "OSI Layers"??

thanks bro, so helpful.

Thanks bro but if I want to hack a android phn is this possible to execute and hack the phone which is nearby me