What is the Vikas Engine?

Vikas is a family of liquid-fuelled rocket engines designed by the Liquid Propulsion Systems Centre in the 1970s.

What is the Vikas Engine?
Table of Contents

About Vikas Engine:

  • VIKAS (an acronym for Vikram Ambalal Sarabhai) engine is a family of liquid-fuelled rocket engines conceptualized and designed by the Liquid Propulsion Systems Centre of ISRO in the 1970s.
  • The early productions involved imported French components, which were later replaced by domestically produced equivalents.
  • These engines are deployed for ISRO’s Polar Satellite Launch Vehicle (PSLV) and the Geosynchronous Satellite Launch Vehicle (GSLV) series of expendable launch vehicles for space launch use. 
  • The fuel load of the Vikas engine is 40 tonnes for the PSLV, GSLV Mark I and II, and 55 tonnes for the GSLV Mark III.

 

Liquid Propulsion Systems Centre (LPSC):

  • The LPSC is a research and development center functioning under ISRO.
  • It is the center for the design, development, and realization of liquid propulsion stages for ISRO’s Launch Vehicles.
  • LPSC activities and facilities are spread across its two campuses: LPSC, Valiamala, Thiruvananthapuram, and LPSC, Bengaluru, Karnataka.

 


Q1) What is the advantage of liquid-fuelled rocket engines?

Advantages of liquid propellant rockets include the highest energy per unit of fuel mass, variable thrust, and a restart capability. Raw materials, such as oxygen and hydrogen are in abundant supply and are relatively easy to manufacture.

Source: ISRO’s Vikas engine passes throttling test

Update Icon
Latest UPSC Exam 2026 Updates

Date IconLast updated on Sep, 2026

UPSC 2027 Notification will be released on 13 January 2027 at upsconline.nic.in.

→ Check out the latest UPSC Syllabus here.

→ Download UPSC Model Answers for Mains 2026

UPSC Mains Question Paper 2026 is out now for Essay & GS Paper 1, 2, 3 & 4.

UPSC Calendar 2027 has been released.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2027 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

→ Also check Best UPSC Coaching in India

Vajiram Content Team
At Vajiram & Ravi, our team includes subject experts who have appeared for the UPSC Mains and the Interview stage. With their deep understanding of the exam, they create content that is clear, to the point, reliable, and helpful for aspirants.Their aim is to make even difficult topics easy to understand and directly useful for your UPSC preparation—whether it’s for Current Affairs, General Studies, or Optional subjects. Every note, article, or test is designed to save your time and boost your performance.
UPSC GS Course 2027
UPSC GS Course 2027
₹1,80,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹65000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹27000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹14000
Enroll Now
Enquire Now