Tip 1 : Prepare for company-wise interview questions according to the company in which you are applying.
Tip 2 : Try to write the code yourself and if got stuck in between then take help from the internet. I recommend you Codezen of Coding Ninjas for practicing Data Structures and Algorithms based questions.
Tip 3 : Do practice lot of data structures based questions as these are the most important part of the interview in product based company. Also, I used Codezen of Coding Ninjas to solve questions as there you can found questions topic wise with difficulty level also. So I recommend that.
Tip 4 : Do practice a lot of data structures questions as mostly questions in interviews are based on them.
Tip 5 : Also, do prepare for projects mentioned in your resume and skills which you have mentioned. Coding ninjas has a big hand in making my interview clear as I have taken a course from the coding Ninjas which helped me a lot to make my concepts clear

Tip 1 : Be sure 100% of what you write in your resume and prepare for that before the interview what is written on resume.
Tip 2 : I guess there are three most important things in your resume, your skills, projects & experience
Tip 3 : Try to build a simple, expressive & genuine resume. By genuine I mean don't put things that you are not confident of, first be confident then put it.
Tip 4 : Mention your projects that are most relevant to the job position which you are applying for and that which you are most knowledgeable about.