Sia and Chetan had met on the day of Ketan Agarwal's murder, what was the plan sitting in the cafe

Siya Goel and Chetan Chaudhary were in constant touch for the last six months. There were 2,004 phone calls between the two during this time and they talked on the phone for about 238 hours. Sia and Chetan met at a cafe on the day Ketan was