Kyunki Saas Bhi Kabhi Bahu Thi

When Payal is hospitalised, Aarti and Teesha argue with each other at the hospital. While Pooja tells Tulsi that she should allow Gautam to marry Teesha, Mihir arrives in India and plans to go and see Payal with Tulsi. Later, Mihir sends a short message to an unknown number. Who is Mihir messaging?