Television footage showed smoke billowing out of the windows of the building, with firefighters helping those trapped in the upper floors to escape as hundreds watched.
India, which imports much of its military hardware from Russia, has long walked a diplomatic tightrope between the West and Moscow, and has called only for an immediate end to hostilities.
UK and India had agreed to work together in defence procurement to meet threats across land, sea and air, space and cyber, including partnering on new fighter jet technology, maritime technologies to detect and respond to threats in the oceans.
Unlike fellow members of the Quad alliance Japan, Australia and the United States, India has abstained in three UN votes deploring Moscow's actions, calling only for a halt to the violence.
The Foreign Office Spokesperson in a statement said, Pakistan also reiterated its serious concern over the BJP leadership’s increasing tendency of dragging Pakistan into its domestic affairs.
Many defense and security analysts picked up on this phraseology and insisted that it indicated the government's admission that the missile launch was, in fact, a "human error" rather than a technical one.