Given that this is a London-based company and we're talking about a pre-Brexit time-frame, I'm pretty sure this practice is in breach of EU regulations. However

Given that this is a London-based company and we're talking about a pre-Brexit time-frame, I'm pretty sure this practice is in breach of EU regulations. However, the employees are in India so that adds another level of complication... and also makes it a lot less likely that anyone's going to sue.