What does the designation HLVM3 stand for in the Gaganyaan mission context?

Correct — C. ISRO says all systems in the LVM3 launch vehicle were re-configured to meet human rating requirements and 'christened Human Rated LVM3'.

HLVM3 is that name shortened: H for human-rated, and LVM3 for Launch Vehicle Mark-3 → option (c).

Why the others are wrong

• (a)
  Heavy LVM3 — Heavy is already what LVM3 is: ISRO calls it its well-proven heavy lift launcher. The H added for Gaganyaan marks human rating, not extra lift.
• (b)
  Hybrid LVM3 — Hybrid would describe a rocket burning a hybrid propellant. LVM3 flies on solid, liquid and cryogenic stages, and its H stands for human-rated.
• (d)
  High LVM3 — High is not part of ISRO's name. The vehicle was 'christened Human Rated LVM3' after its systems were re-configured to carry a crew.

Gaganyaan is ISRO's human spaceflight programme: a crew of three to a 400 km orbit for a three-day mission, and back. Its launcher is the LVM3, formerly GSLV Mk III, re-configured for human rating.

Human rating means making a rocket safe enough to carry people. For HLVM3 that includes a Crew Escape System of quick-acting solid motors that takes the crew module to safety in an emergency at the pad or during ascent.

Key facts

• HLVM3 is the Human Rated LVM3, the launcher for Gaganyaan.
• LVM3 (Launch Vehicle Mark-3) was formerly called GSLV Mk III.
• HLVM3 is to launch the Orbital Module to a 400 km low Earth orbit.
• Its Crew Escape System uses quick-acting, high burn rate solid motors to take the crew module to safety.

Common traps

• Picking Heavy because LVM3 is ISRO's heavy lift launcher. The H in HLVM3 marks human rating.

No directly related past PYQ was found.