JEE (M) syllabus covers BITSAT significantly. But if we compare the overall question pattern, then the BITSAT exam is quite tricky due to the number of questions you need to solve. 

To prepare for BITSAT you can follow the books suggested below. 

PCM: If you are preparing thoroughly for the JEE exams, then there is no need for extra preparation for PCM for BITSAT. 

English and Logical Reasoning:

• For the preparation of the English and Logical reasoning section, books by Disha Expert can be followed and it is easily available on Flipkart and Amazon. 
• Students from the ICSE board may not require extensive preparation for English. 
• There are YouTube video lectures by GradeUp, which will be helpful for your preparation. 
• Do not take this section lightly as it carries 75 marks in total. Also, a few weeks is enough for the preparation of the English and Logical Reasoning section. 

Clear Basics:

• If you are solely focused on BITSAT then Arihant books are the better options for preparation. Disha Expert is also a good option. Make sure you have a thorough understanding of the concepts discussed in the NCERT books. 
• You can’t do well with selective study for BITSAT. You need a good understanding of the basics to score well.

With preparation, you also need to practice well to score better marks. 

• Quality Mock Test: Pick a good Mock test series with relevant questions.
• Writing of 6-8 Mocks: It will help you to get the hang of time management for the examination. Allocate appropriate time for each section. 
• Practice in Online Mode: Most of the students are not used to the computer-based online test. So, taking a few online mocks will help you boost your score.
• Strategize: Before giving the mock test, you should formulate a strategy that works for you. It mainly includes the time allocation for each section, along with answering orders for the questions.
• Get acquainted with the Format of the Questions: It is required for the English and Logical reasoning sections. Some of the most common formats for this section in the BITSAT exam are synonyms, antonyms, comprehension, family tree, etc.

Besides these above-mentioned suggestions, you should also solve the previous year’s questions. It will help you get acquainted with the exam format and question pattern.

Yes, I believe so. It's something I've heard from my friends at Heritage Institute of Technology. If you cancel your admission before the start of the semester, you will get a refund. 

However, I strongly advise you to contact the Heritage Institute of Technology's information desk at their official contact phone number or may visit their official website for more information.

The preference is always given to BITS Goa as it belongs to the most reputed family of BITS institute. One of my friends has studied there and he loves the campus from all aspects.

The major reasons as to why BITS Goa is to be preferred are:

Scope

• CSE has more job opportunities in the market as compared to other branches of engineering. 
• If you even go for a core organization in the chemical field; the highest package is not more than 6 LPA. 
• In the case of CSE, if you are into coding a good package can be cracked.
• The highest package is close to 1.40 crore in BITS Goa. The average also stands at a decent place. 
• The prominent recruiters are - ADM Argo, Adobe, Bajaj Auto, Capgemini, CGI, Cisco, DE Shaw, EXL Services, Razor Pay, Reliance Jio, Freshworks and Goldman Sachs.

Faculty

• The computer science faculty cannot be compared with chemical engineering. 
• CS faculty is amazing having well-equipped knowledge in the field to deal with real competition. They all are efficient in imparting real practical skill set to their students in a proper manner.

Campus

• Goa is a place people look out for holidays, and having a college in Goa makes it even more fascinating and attractive. 
• Certain limitations are also imposed on students. You cannot leave the campus before 5 PM and you should return back by 11 PM. 

BITS Goa makes it a better option on all fronts whether its faculty, campus, or scope. Having this outlook will help you get to a good institute. The stream can be a point of interest but other factors also matter.

Yes, it was confusing once, two years ago and now I can happily confess that I do not regret choosing IIT Gandhinagar over BITS-Pilani. Since I also have friends in both the colleges, I can provide a detailed overview of the good and bad aspects of the colleges.

Also, information on BITS might be limited due to it will depend mostly on other people’s experiences, but the answer will talk about the good and bad side of Mechanical Engineering at IIT Gandhinagar. 

Following are the merits of IIT Gandhinagar:

1. Limited batch- The class consists of 30 students. This makes the interaction simple and competition healthy. The classes are interesting and interactive. And BITS here, has a classroom filled with 100 students. 
2. Friendly professors- All the professors are cooperative. They will always be present to help you. 
3. Constant branch parties/meetings- The Mechanical Branch will always witness regular meetings wherein the latest course will be the topic of discussion and how things can be done to modify it and gather suggestions accordingly. These meetings include Mechanical Engineering students (no freshers) and professors. 
4. New course- In case 10 others from your branch decide to go for an entirely new course which isn't taught in the department- you can always consult the professors and if they can teach that, your will certainly be granted. 
5. Lab facilities- Your lab experiences would be such that you'd work under time-limits. Objectives that will be given to you would have to be completed under a time-limit present along with it. 
6. Inter-disciplinary ideas- Unlike the rest of the colleges, IIT Gandhinagar has neighbours who are from a background of MSE and CSE. While sharing ideas, you get to learn much more than you can imagine.

One thing that students could miss at IIT Gandhinagar is the cultural fests and events. They don't have grand cultural fests of their own. This privilege was taken away by the seniors, which we were trying to rectify. But gratefully, we already have enough, so, that doesn't make us expect too much of these grand fests for ourselves.

Here are some apps which will help you prepare GK for IIFT, XAT, SNAP, exams.

Knappily

• It is one of the best news apps, basically, a knowledge app that updates you with all the important events happening around the world. 
• It covers sections from Politics, Tech, Sports, Entertainment, Business, Law, Environment, Literature, etc. 
• It also has its desktop version. 
• Knappily in 2 minutes give in-depth information on What, Why, When, Who, and How.

Inshorts

• Inshorts is one of the best news apps you will come across. In 30 seconds it covers all the major events happening around the world. 
• As it summarizes in only 60 words, it will be a helpful app if time is running low for exam preparation. 
• You can also select relevant issues of your interest on the app, as there are 100% of news flooded on the app.

Also, avoid unnecessary use of different applications at once. This will only confuse and distract you. It is better that you use only two of the best news apps for preparation.