LONDON, March 19 -- Scamsters based in call centres in India have been netting millions of pounds by preying on Britons, who are threatened with action for non-existent tax debts or whose computers are compromised while servicing faults through remote access.

The latest such scam was revealed by the Daily Mail on Monday, with footage showing Ahmedabad-based individuals posing as tax officials, calling thousands of people in Britain every day using numbers in the BT phone directory, and terrorising them into paying to resolve issues.

New figures from the City of London Police, which is the apex UK body dealing with cyber crime, victims lost £34.6 million between April and September 2018, amounting to an increase of 24% from the previo...