No crowds. No junior tutors. Just the Ex-HODs of FIITJEE & VMC teaching you by name.
Real AIRs. Real Google reviews from Gurgaon parents.
Parents rate us4.9 on Google
In theirown words
We enrolled our son in BM Sir's Chemistry classes towards the end of Class XI, and it has been a wonderful decision.
We enrolled our son in BM Sir's Chemistry classes towards the end of Class XI, and it has been a wonderful decision. We have seen a significant improvement not only in his academic performance but, more importantly, in his enthusiasm to learn, practice, and continuously improve. Thank you, Sir, for your invaluable guidance and support.
Rajshree Mohanty
Parent · NEET Chemistry Batch
Bighnaraj Sir is an excellent teacher who explains every concept with great clarity. His one-on-one doubt sessions were incredibly helpful and made a huge difference in my preparation. Thanks to his guidance and teaching, I was able to secure a good rank in JEE.
Shaurya Sisaudia
Student · JEE Ranker
I was a student of Konika Ma'am for a year. She taught Biology. Had a great depth of knowledge and always cleared my concepts. It helped me to focus on competitive and boards exam and I was able to score amazing. Thank you for your support.
Tanishka Patil
Student · Biology NEET & Boards
Bighnaraj Sir is a great teacher and mentor. My daughter started taking chemistry classes from sir a few months back. Her interest & understanding in the subject improved remarkably after attending classes. Sir gives personal attention to each child during classes and helps them in improving.
Sunaina K
Parent · Chemistry Mentorship
Bighnaraj Sir is incredibly hardworking and dedicated, ensuring every student understands the subject thoroughly. His vast knowledge and clear explanations help build strong fundamentals, making complex concepts easy to grasp. These classes have significantly boosted my confidence.
Aaryan Jain
Student · Concept Mastery
We enrolled our son in BM Sir's Chemistry classes towards the end of Class XI, and it has been a wonderful decision. We have seen a significant improvement not only in his academic performance but, more importantly, in his enthusiasm to learn, practice, and continuously improve. Thank you, Sir, for your invaluable guidance and support.
Rajshree Mohanty
Parent · NEET Chemistry Batch
Bighnaraj Sir is an excellent teacher who explains every concept with great clarity. His one-on-one doubt sessions were incredibly helpful and made a huge difference in my preparation. Thanks to his guidance and teaching, I was able to secure a good rank in JEE.
Shaurya Sisaudia
Student · JEE Ranker
I was a student of Konika Ma'am for a year. She taught Biology. Had a great depth of knowledge and always cleared my concepts. It helped me to focus on competitive and boards exam and I was able to score amazing. Thank you for your support.
Tanishka Patil
Student · Biology NEET & Boards
Bighnaraj Sir is a great teacher and mentor. My daughter started taking chemistry classes from sir a few months back. Her interest & understanding in the subject improved remarkably after attending classes. Sir gives personal attention to each child during classes and helps them in improving.
Sunaina K
Parent · Chemistry Mentorship
Bighnaraj Sir is incredibly hardworking and dedicated, ensuring every student understands the subject thoroughly. His vast knowledge and clear explanations help build strong fundamentals, making complex concepts easy to grasp. These classes have significantly boosted my confidence.
Aaryan Jain
Student · Concept Mastery
No junior assistants. No substitutes. Ex-HODs of FIITJEE & VMC, right at your desk.
HOD Chemistry
20+ years teaching
Teaches organic chemistry through reaction mechanisms, so you understand why a reaction happens instead of memorising it.
Physical, Organic & Inorganic
1-on-1 or batch
Head of Biology
20 years teaching
Takes NCERT Biology line by line on an interactive digital board, so no diagram or detail slips past you.
NEET Botany, Zoology & Boards
1-on-1 or batch
Science Lead
22 years teaching
Teaches Science online for Classes 9 to 12, one-on-one or in small groups, at the pace each student needs.
Science
1-on-1 or batch
Short, focused courses for the 2027 boards, JEE Main and NEET, plus 1-on-1 Science.
Crash course
Board-focused preparation
By BM Sir
Hybrid · online + offline
Crash course
Board-focused preparation
By Konika Ma’am
Hybrid · online + offline
Crash course
Concept clarity and exam-focused practice
By BM Sir
Hybrid · online + offline
Crash course
NCERT focus, PYQs, mock tests and doubt support
By BM Sir
Hybrid · online + offline
Rapid course completion
4 months, till the board exams. CBSE-NCERT, small batches, notes included
By Chumki Ma’am (Science)
Online & offline
1-on-1 classes
22 years teaching, 18 of them at FIITJEE
By Chumki Ma’am
Online
Big-institute rigour. Small-batch attention. Nobody gets left behind.
15 hand-picked questions per chapter, each with the twist JEE and NEET love to test.
See it in a demoA short weekly test, reviewed by the HOD with you and your parents.
See it in a demoFifteen students at most, so the HOD knows your target and your pace.
See it in a demoStuck after class? Sit with the HOD and leave with the answer.
See it in a demoNo paperwork maze. You’ll know exactly what happens next, at every step.
Step 1
Fill a short form or WhatsApp us. We call you back within 2 hours.
Step 2
Talk through your goals and syllabus, at a centre near you or online.
Step 3
A 30-minute check of your basics in your subject, so the advice is about you.
Step 4
Sit in on a real class and get honest feedback on where you stand.
Step 5
Pick a timing that suits you and take your seat in a batch of 10–15.
Ready for step 1? It takes about 30 seconds.
Pick a subject and a time. We’ll confirm your seat on WhatsApp.
Taught by the HODs themselves
Sector 45, Malibu Towne (Sector 47) and Sector 46. Pick the centre closest to you.
Centre 1: Flat no 303, Ayyachi Apartment, Block C, Uday Nagar, Sector 45, near Delhi Public School, Gurugram 122003
Fees, faculty, batch size, location. Everything families ask us before joining.
BM Classes (listed on Google Maps as “Chemistry By Bighnaraj Sir”) is rated 4.9 on Google from 65 reviews. Every class is taught by former FIITJEE and VMC faculty in batches of 10–15 students, and its students have achieved JEE Advanced AIR 18, AIR 22 and AIR 52. It has three centres in Gurugram: Sector 45, Malibu Towne (Sector 47) and Sector 46.
BM Sir (Bighnaraj Mishra) has taught Chemistry for boards, JEE and NEET for over 20 years, including as Academic Head at VMC Gurgaon and as faculty at FIITJEE Kalu Sarai. He teaches every BM Classes Chemistry batch himself, at Gurugram centres and online across Delhi NCR.
BM Classes has three centres in Gurugram: Flat no 303, Ayyachi Apartment, Block C, Sector 45, near Delhi Public School (listed on Google Maps as “Chemistry By Bighnaraj Sir”); OD-55, Malibu Towne, Sector 47; and 2423, Sector 46.
Every class is taught by the senior faculty themselves: BM Sir (Bighnaraj Mishra, Chemistry, 20+ years, former Academic Head at VMC Gurgaon), Konika Ma’am (Biology, 20 years) and Chumki Ma’am (Science, 22 years, 18 of them at FIITJEE). There are no junior assistants.
Batches are capped at 10–15 students, so the teacher knows each student’s target and pace and doubts are solved the same day.
Crash courses for the 2027 exams: 12th Board Chemistry and 12th Board Biology (35 hours, 20 mock papers, from 10 October 2026), JEE Main Chemistry and NEET Chemistry (40 hours, 20 mock papers, from 10 November 2026); a 4-month Class 10 Science and Maths rapid course (from 10 October 2026); and online 1-on-1 Science for Classes 9–12.
Tap “Join now” on any course on the website, or call or WhatsApp +91 98998 18241. You can also book a free demo class first. The team shares fees and batch timings on the call.
BM Classes students have achieved JEE Advanced ranks including AIR 18, AIR 22 and AIR 52, and JEE Main scores of 99+ percentile. The institute is rated 4.9 on Google from 65 reviews.
Yes. Every crash course runs in hybrid mode, so you can join online or at a centre, and Chumki Ma’am teaches Science online, one-on-one, for Classes 9 to 12.
Yes. Book a free demo class on the website by choosing your class, subject, date and time. The team confirms your slot on WhatsApp.
