SIMBEX - Facts about Singapore India Naval Bilateral Exercise for UPSC

SIMBEX stands for Singapore-India Maritime Bilateral Exercise which is an annual event. SIMBEX started in 1994 between the Indian and Singapore navies. The 29th edition of the exercise was SIMBEX 2022 which took place from 26th to 30th October 2022. The core idea of SIMBEX is to enhance maritime cooperation between the two nations – India and Singapore. The topic is important from the IAS Exam perspective.

SIMBEX:- Download PDF Here

Interested candidates can read about similar important military exercises that India is a part of from the links below:

Malabar Mitra Shakti
Dharma Guardian Hand-in-Hand
Maitree Surya Kiran

Facts about SIMBEX for IAS

The table below mentions the important facts about SIMBEX that can be asked in UPSC Prelims:

SIMBEX – Facts about SIMBEX for UPSC
It is an annual naval bilateral exercise. It takes place between the navies of India and Singapore (Republic of Singapore Navy – RSN)
In 2020, the 27th edition of SIMBEX took place in the Andaman Sea, while in 2021, it took place in the southern fringes of the South China Sea. The latest edition took place in October 2022 in Vishakhapatnam and the Bay of Bengal.
It was introduced in 1994 and was initially called ‘Exercise Lion King’. A total of 29 editions of SIMBEX have taken place over the years counting the latest in 2022.
In 2018, SIMBEX was conducted in Port Blair.

  • The participating ships were INS Ranvijay, Satpura, Sahyadri, Shakti, Kirch, Kadmatt, Sumedha and Sukanya along with the RSN Ships, Formidable, Steadfast, Unity, Valiant and Vigour.
  • The maritime patrol aircraft of the Indian Navy, the P8I and the Singapore Navy’s Fokker F50 also took part in it.
  • SIMBEX 2018 was held in November 2018.
In 2017, SIMBEX was conducted in Singapore.

  • IN Ships Shivalik, Sahyadri, Kamorta and Jyoti participated in the SIMBEX 2017.
  • The ships also participated in the International Maritime Defence Exhibition (IMDEX) during the period.
  • Shivalik and Sahyadri Ships are Project 17 indigenous multirole stealth frigates.
  • Kamorta is a Project 28 anti-submarine stealth corvette.
  • Jyoti is a fleet replenishment tanker.
  • Alongside the four Indian Navy ships, P8i anti-submarine and reconnaissance aircraft and integral Chetak helicopters also represented the Indian Navy.
  • Formidable, Supreme (both Formidable class multirole stealth frigates), Victory (missile corvette), Sikorsky S-70B helicopter, Fokker F 50 maritime patrol aircraft, RSAF F-15, F-16 fighter jets represented the Singapore Navy.
  • It ended on 24th May 2017.


SIMBEX 2022 was the 29th edition of the bilateral exercise.

  • The harbour phase took place in Vishakhapatnam and the sea phase in the Bay of Bengal in October 2022.
  • The Harbour Phase witnessed extensive professional and sporting interactions between the two navies including cross-deck visits, Subject Matter Expert Exchanges (SMEE) and planning meetings.


It was the 28th edition of the bilateral naval exercise between India & Singapore.

  1. INS Ranvijay (Guided Missile Destroyer), INS Kiltan (Anti-submarine warfare corvette), INS Kora (Guided Missile Corvette) and P8I Long Range Maritime Patrol Aircraft represented Indian Navy.
  2. Amid the ongoing Coronavirus pandemic, the SIMEX 2021 was held without any physical interactions as an ‘at-sea only’ exercise.
  3. It was hosted by the RSN (Republic of Singapore Navy) in the southern fringes of the South China Sea.

Source – (


The 27th edition of the SIMBEX exercise took place in November 2020 in the Andaman Sea.

  1. The 2020 edition of SIMBEX witnessed participation by Indian Navy ships including destroyer Rana with integral Chetak helicopter and indigenously built corvettes Kamorta and Karmuk.
  2. In addition, IN submarine Sindhuraj and P8I maritime reconnaissance aircraft also participated in the exercise.


SIMBEX 2019 or the 26th Edition of SIMBEX took place in May 2019 at Singapore. The important points about SIMBEX 2019 are given below:

  1. Indian Navy ships Kolkata and Shakti represented India.
  2. The maritime bilateral exercise between India and Singapore has led to tactical and operational cooperation.
  3. The bilateral naval exercise between Singapore and India included the following exercises:
    1. Advanced air defence operations
    2. Anti-air/ surface practice firings
    3. Tactical exercises
  4. The SIMBEX 2019 was a catalyst for maritime cooperation and friendly relations between the two navies.
  5. The objectives of SIMBEX 2019:
    1. To strengthen mutual trust
    2. To enhance interoperability, and
    3. To build greater synergy to address common maritime concerns among both navies
  6. There are two phases of a naval exercise – SIMBEX:
    1. Harbour Phase – it includes the planning of conferences, simulator-based warfare training/ wargaming, courtesy calls to dignitaries of RSN navy and sporting events
    2. Sea Phase – It was conducted in the South China Sea and included maritime combat exercises such as firing on aerial/ surface targets, advanced aerial tracking, coordinated targeting exercises and tactical exercises on surface/ air scenarios
  7. Long-range maritime patrol aircraft Poseidon-8I (P8I) also represented Indian Navy alongside IN Ships.
  8. Ships Steadfast and Valiant, maritime patrol aircraft Fokker-50 (F-50) and F-16 fighter aircraft represented Republic of Singapore Navy.

Daily News

India-Singapore Defence Cooperation

The defence relations between India and Singapore are termed as strong. Between the two countries, there are more than 20 regular bilateral mechanisms, dialogues and exercises; both are members of a number of forums:

  1. East Asia Summit
  2. G20
  3. Commonwealth of Nations
  4. Indian Ocean Rim Association (IORA) and
  5. Indian Ocean Naval Symposium (IONS)

The following activities/events keep the defence cooperation between the two countries intact:

  • Annual Ministerial and Secretary-level dialogues
  • Staff level talks between three wings of Armed forces; training of Singapore Army and Air force in India every year
  • Annual exercises including India’s longest uninterrupted naval exercise with any other country
  • Ship visits from Navy and Coast Guard
  • Singapore participates in IONS and multilateral Exercise MILAN hosted by the Indian Navy.

SIMBEX:- Download PDF Here

Check the list of Indian Army exercises at the linked article.

Aspirants should make notes of these facts about SIMBEX for UPSC 2021.

UPSC Preparation:

India Year Book – 5 Things to Know UPSC Calendar 2021
Documents Required for UPSC Exam Language Papers in UPSC – Tips to Study
UPSC Admit Card IAS Eligibility Criteria


Leave a Comment

Your Mobile number and Email id will not be published.