Latika plans to ruin a wedding

Latika gatecrashes Pankhuri's pre-wedding rituals and threatens to tell everyone that Pankhuri had stayed an entire night with Aditya in a hotel room. Avantika allows Aditya to go to Kulu to stop Latika from ruining Pankhuri's wedding. Why is Aditya not able to get in touch with Pankhuri?