@IPO Yani Milega I have been using CBI for the past few months. I even applied for an Aadhar BHNI with CBI and faced no issues. The allotment was clearly shown on the website.
You should send an email to KFin to inquire if your application has been submitted to the exchange. Additionally, it would be advisable to visit the branch and inquire about your application. While you may also write to their customer care, receiving a concrete reply is often rare.
सर्वे भवन्तु सुखिनः, सर्वे सन्तु निरामयाः