Is it possible to get a seat in AIIMS Delhi by studying for 5 months? If yes, then please guide me, I'm not at zero level and ready to sacrifice all for AIIMS Delhi?

Yes, it certainly is possible to get a seat in AIIMS Delhi by studying for just 5 months given that you have a vague idea of your syllabus and are not completely clueless. Firstly abandon all distractions that might sway your decision especially give up on social media completely. Follow the following tips to achieve your goal

Physics

• Be thorough with NCERT and memorize every line 
• Purchase Concepts of Physics by H.C. Verma and try to solve a variety of problems. Make sure to solve all lengthy calculations and don't leave anything.
• Now read NCERT and underline the possible assertions and their reasons. Analyze if you are able to solve NCERT problems or not. 
• Repeat the process several times to increase your speed.

Chemistry

• For inorganic chemistry, the best book to refer to is NCERT. It can also be referred for Physical and Organic
• A few guides you can refer to our O.P.Tandon and Arihant for organic chemistry, O.P. Tandon for physical chemistry
• Make sure you revise your concepts well for inorganic and Organic Chemistry while practice is the key to Physical Chemistry.

Biology

• Don't just go through NCERT but learn it word by word.
• Consider doing a selective reading of TRUEMAN's Elementary Biology. Y oy can focus on Human Physiology and Biomolecules. 

GK: This section can be prepared in the last 2 months by reading newspapers and solving online quizzes.

Logical Reasoning: This does not require any preparation and you can just solve it in your free time

Test Series: Purchase some good test series and check your preparation. Identify our weaknesses and work on them. 

If you are adamant about AIIMS, it's recommended you focus less on your boards and more on AIIMS preparation. Also, getting into AIIMS requires much more than just dedication. It also depends on your luck. So it's better to keep all options open as there are many other top medical colleges to consider too.