Shruthi had earlier cheated Sasikumar from Namakkal district of Rs 22 lakh, Sundar from Nagapattinam of Rs 15 lakh, Arul Kumararaguru Raja from Chidambaram in Cuddalore district of Rs 20 lakh and Rajkamal from Dindigul of Rs 21 lakh.
He approached the city crime branch police, who registered a case against the four and arrested them on Thursday.
Using the flight ticket sent by the love-stricken man, she travelled to UK, where they met.
They shared mobile numbers and she sent a lot of photos to Balamurugan.
"The family has been using the same modus operandi to cheat youths hailing from rich families.