The Indian Supreme Court is hearing a latest round of arguments in a long-running legal battle that could hold the key to opening up the country’s legal market to foreign lawyers.

The Bar Council of India (BCI) argued this week before the nation’s top court, appealing a 2012 decision when the Supreme Court reaffirmed a lower court decision in allowing foreign lawyers to visit India on a “fly-in, fly-out” basis, while giving advice on non-Indian law matters.