Manisha Purkayastha

From TARDIS Index File, the free Doctor Who reference.

Manisha
Also known as:	{{{alias}}}
Race:	Human
Home Planet:	Earth
Home Era:	20th century
Appearances:	DW: Ghost Light (first mention) NA: Timewyrm: Revelation (mentioned: last name given)
Actor:	Unseen

Manisha Purkayastha was a friend of Ace who was wounded in a firebombing by racists circa 1983. Enraged by this, Ace burned down Gabriel Chase. (DW: Ghost Light)

Accounts differ as to whether she "nearly" (NA: Timewyrm: Apocalypse) or actually did (NA: Blood Heat) die.