Grievance Redressal System Stage-1 For any complaint / suggestion, customers can call on the toll free number mentioned in the Sonata from 9:30 am to 5:30 pm Monday to Friday, or have their written complaint / suggestion available in each branch office of Sonata "Suggestion / Toll free helpline number is also printed on the loan card issued to the customer. Toll Free Number: 18002100102 Stage-2 If the problem is not resolved within 15 working days, the complainant can contact the following officer in Sonata Mr. Tarun Kumar Srivastava Grievance Redressal Officer IInd Floor, CP-1,PG Tower,Kursi Road, Vikas Nagar, Lucknow - 226022 Uttar Pradesh ,India +91-7080310873 Mon-Sat 9:30AM – 5:30PM tarun.shrivastava@sonataindia.com Stage-3 When dissatisfied with the solution, customers can call on the toll free number mentioned in the microfinance institutions network (MFIN) from 9:30 am to 5:30 pm Monday to Friday, or have their written complaint / suggestion enrolled. Toll Free Number:18001-0210-80 Stage-4 If the complaint of a customer is not redressed within 30 days, the customer can appeal to the following officer. Deputy General Manager Non-Banking Supervision (DNBS) Reserve Bank of India Post Box Number 82/142, MG Road, kanpur-2018001, UP 0512-2311485