Investigations into the case of four missing employees of an advertisement agency based in Kothrud reached a deadlock on Tuesday evening when the Kothrud police’s search and their efforts to trace their location through cell phone towers yielded no fruit.

(From left to right) Firm partner Pranav Lele and his associates Chintan Buch, Sahil Qureshi and Shrutika Chandwani were last spotted at Khed-Shivapur toll plaza around 2 am on Saturday