Col. Roy Defence Academy - Invidious

Col. Roy Defence Academy

Col. Roy Defence Academy, is a cozy, simple, sophisticated institute, located in the heart of Prayagraj. Col. Roy. Defence Academy is established by Col. I.K Roy (Retd) who himself belongs to a small village of Bihar and has fought odds and paved his way to the highest echelon and now his second generation is serving in the armed forces as Gallantry awardee officers. Being a student of rural area he understands the pulse and the need of students who come from village background.
Col. Roy’s daughter ‘Archana Jha’ who is not only teaching but also shaping many students with her long experience and psychological understanding.

📍Location
Ram Mohan Plaza, Madhokunj, Near Carpentry Chauraha, Katra, Prayagraj, 211002

☎️Contact
+919455462462
+919305481096

Email
colroydefenceacademy@gmail.com

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51:28

NDA 1 2025 Maths Free Classes | Statistics - One Shot Video (6) | NDA PYQs with Revision |

Col. Roy Defence Academy

Shared 9 months ago

133 views

51:45

NDA 1 2025 Maths Free Classes | Matrix & Determinant - One Shot Video (6) | NDA PYQs with Revision |

Col. Roy Defence Academy

Shared 9 months ago

143 views

22:45

NDA 2025 | Maths Strategy | How to Score Maximum? Last Minute Strategy | Mathematics | Shiva Sir

Col. Roy Defence Academy

Shared 9 months ago

61 views

36:25

NDA 1 2025 Maths Free Classes | Definite Integration - One Shot Video (5) | NDA PYQs with Revision

Col. Roy Defence Academy

Shared 9 months ago

75 views

1:21:01

NDA 1 2025 Maths Free Classes | Limits - One Shot Video (4) | NDA PYQs with Concept Revision

Col. Roy Defence Academy

Shared 10 months ago

99 views

1:02:39

NDA 1 2025 Maths Free Classes | Binomial Theorem | NDA PYQs with Concept Revision

Col. Roy Defence Academy

Shared 11 months ago

94 views

47:09

NDA 1 2025 Maths Free Classes | Quadratic Equation | NDA PYQs with Concept Revision

Col. Roy Defence Academy

Shared 11 months ago

34 views

1:09:50

NDA 1 2025 Maths Free Classes | Permutation & Combination | NDA PYQs with Concept Revision

Col. Roy Defence Academy

Shared 11 months ago

67 views

19:24

Airforce Agniveer Intake 01/2026 Online Form | New Vacancy | All about the Notification |

Col. Roy Defence Academy

Shared 1 year ago

53 views

13:38

NDA 2025 (I) Application Form | How to Apply| Step by Step form Filling Guide | New Changes

Col. Roy Defence Academy

Shared 1 year ago

374 views

15:22

NDA 2025 (I) Application Form | How to Apply| Step by Step form Filling Guide | New Changes

Col. Roy Defence Academy

Shared 1 year ago

246 views

13:57

NDA 2025 (I) Notification I All about NDA | Notification | Age | Educational Qualification #nda2025

Col. Roy Defence Academy

Shared 1 year ago

205 views

4:58

NDA 2025 | Lec-5 | Physics for NDA | Unit & Measurement| X-ray/ Joule | Physics PYQs |Analysis

Col. Roy Defence Academy

Shared 1 year ago

39 views

5:02

NDA 2025 | Lec-4 | Physics for NDA | Unit & Measurement| Nanometer/Angstrom | Physics PYQs |Analysis

Col. Roy Defence Academy

Shared 1 year ago

41 views

25:11

NDA 2025 | Differentiation | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

31 views

26:09

NDA 2025 | Differentiation | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

29 views

24:43

NDA 2025 | Differentiation | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

27 views

30:59

NDA 2025 | Continuity and differentiability | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

58 views

45:12

NDA 2025 | Continuity and differentiability | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

74 views

19:30

NDA 2025 | Lec-3 | Physics for NDA | Types of Questions for NDA | Physics PYQs | Analysis

Col. Roy Defence Academy

Shared 1 year ago

46 views

6:35

NDA 2025 | Lec-2 | Physics for NDA | Importance of Physics & types of Questions for NDA |

Col. Roy Defence Academy

Shared 1 year ago

122 views

3:12

NDA 2025 | Lec-1 | Physics for NDA | Introduction to Physics | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

97 views

43:56

NDA 2025 | Continuity and differentiability | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

63 views

13:11

Indian Navy 10+2 B.Tech Entry Notification Out | NAVY VACANCY OUT | Indian Navy New Vacancy 2024

Col. Roy Defence Academy

Shared 1 year ago

227 views

19:18

Air Force 2/2025 Exam Analysis | Air Force 17 | November Shift-1 Paper Solution | Exam Paper Level

Col. Roy Defence Academy

Shared 1 year ago

96 views

30:39

NDA 2025 | Continuity and differentiability | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

83 views

25:35

NDA 2025 | Continuity and differentiability | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

60 views

26:04

NDA 2025 | Limit and Continuity | Algebra of Limit | Maths for NDA by Shiva Sir | Col. Roy

Col. Roy Defence Academy

Shared 1 year ago

44 views

30:01

NDA 2025 | Limit and Continuity | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

41 views

24:12

NDA 2025 | Limit and Continuity | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

52 views

20:09

NDA 2025 | Limit and Continuity | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

129 views

11:47

NDA 2025 | Limit and Continuity | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

130 views

23:36

NDA 2025 | Limit and Continuity | Maths for NDA by Shiva Sir | Col. Roy Defence Academy

Col. Roy Defence Academy

Shared 1 year ago

85 views

18:48

NDA 2025 | Maths | Syllabus & Exam Pattern by Shiva Sir | Maths for NDA Exam

Col. Roy Defence Academy

Shared 1 year ago

155 views

12:48

All about NDA 2025 | Complete details- Preparation| Eligibility | Syllabus | Exam Pattern | Books

Col. Roy Defence Academy

Shared 1 year ago

143 views

52:44

CDS Answer Key 2024(II) | Complete Solution of English Paper | Paper Discussion & Analysis| Cut-off

Col. Roy Defence Academy

Shared 1 year ago

136 views

46:20

NDA (ll) 2024| Relation & Function (Part-7)| Complete Maths with Repeated Pattern| #nda #maths

Col. Roy Defence Academy

Shared 1 year ago

158 views

11:05

TES-52 | Notification Out | Application| Eligibility| Educational Qualification| Indian Army| #tes

Col. Roy Defence Academy

Shared 1 year ago

601 views

13:26

NDA 2024 (ll) | Notification Out| How to Apply| Vacancies| Eligibility| Complete Detail| #nda #maths

Col. Roy Defence Academy

Shared 1 year ago

317 views

48:22

NDA 2024(ll) | Relation & Function (Part-6)| Complete Maths with Repeated Pattern| #nda #maths

Col. Roy Defence Academy

Shared 1 year ago

76 views

26:36

NDA 2024 (ll)| Relation & Function (Part-5)| NDA Complete Maths with Repeated Pattern| #nda #maths

Col. Roy Defence Academy

Shared 1 year ago

65 views

15:42

NDA (ll) 2024| Relation & Function (Part-4)| NDA Complete Maths with Repeated Pattern| #nda #maths

Col. Roy Defence Academy

Shared 1 year ago

47 views

23:53

NDA - 2024(ll) | Relation & Function-PYQs (Part-3) | NDA Complete Maths with Repeated Pattern| #nda

Col. Roy Defence Academy

Shared 1 year ago

49 views

29:48

NDA - 2024(ll) | Relation & Function (Part-2) | NDA Complete Maths with Repeated Pattern| #nda

Col. Roy Defence Academy

Shared 1 year ago

60 views

22:22

NDA -2024(ll) | Relation & Function (Part-1) | NDA Complete Maths with Repeated Pattern |Maths #nda

Col. Roy Defence Academy

Shared 1 year ago

57 views

13:38

NDA - 2024 (II) | SETS (Part-4) |NDA Complete Maths with Repeated Pattern | Tips for NDA Maths #nda

Col. Roy Defence Academy

Shared 1 year ago

80 views

47:08

NDA - 2024 (II) | SETS (Part-3) |NDA Complete Maths with Repeated Pattern | Tips for NDA Maths #nda

Col. Roy Defence Academy

Shared 1 year ago

83 views

26:52

NDA - 2024 (II) | SETS (Part-2) |NDA Complete Maths with Repeated Pattern | Tips for NDA Maths #nda

Col. Roy Defence Academy

Shared 1 year ago

131 views

24:23

NDA - 2024 (II) | SETS (Part-1) |NDA Complete Maths with Repeated Pattern |Tips for NDA Maths #nda

Col. Roy Defence Academy

Shared 1 year ago

127 views

28:02

NDA - 2024 (II) | NDA Maths Complete Paper Analysis & Repeated Pattern | Tips for NDA Maths

Col. Roy Defence Academy

Shared 1 year ago

123 views

10:39

All About NDA Exam | How to join NDA? | What after 12th? | National Defence Academy| Prayagraj

Col. Roy Defence Academy

Shared 1 year ago

211 views

54:03

NDA 1 2024 | Paper-1 | Complete Solution of Mathematics | NDA Maths by Shiva Sir

Col. Roy Defence Academy

Shared 1 year ago

79 views

42:24

NDA 1 2024 | Paper-1 | Complete Solution of Mathematics | NDA Maths by Shiva Sir

Col. Roy Defence Academy

Shared 1 year ago

174 views

30:18

NDA 1 2024 Maths Answer Key | Complete Paper Analysis | Cut-off | by Shiva Sir

Col. Roy Defence Academy

Shared 1 year ago

122 views

28:19

CDS Answer Key 2024 | Complete Solution of English Paper | Paper Discussion & Analysis| Cut-off

Col. Roy Defence Academy

Shared 1 year ago

1.6K views

24:53

Quick Revision for NDA/ CDS-2024| Identification of Parts of Speech| NDA & CDS English #nda #cds

Col. Roy Defence Academy

Shared 1 year ago

126 views

13:05

Quick Revision for NDA/ CDS-2024| Adverb | MPT Rule |Important Rules for NDA & CDS English #nda #cds

Col. Roy Defence Academy

Shared 1 year ago

66 views

21:02

Quick Revision for NDA/ CDS-2024| Verb| Part-2| Important Rules for NDA & CDS English #nda #cds

Col. Roy Defence Academy

Shared 1 year ago

117 views

32:43

Quick Revision for NDA/ CDS-2024| Verb| Important Rules for NDA & CDS English #nda #cds

Col. Roy Defence Academy

Shared 1 year ago

358 views

8:42

NDA- 2024। Relation & Function | PYQs for NDA |Complete Mathematics for NDA by Shiva sir।#nda#maths

Col. Roy Defence Academy

Shared 1 year ago

220 views