For Customer 24 hrs, 7 days a week, except national holidays 1800-315-9999 or 1800-180-9999 For Business Business Solutions Hours: Monday to Saturday excluding National holidays, 9:00 am to 6:00 pm IST 1800-180-9898 E-mail [email protected] SAC Hours: Monday to Saturday excluding National holidays, 9:00 am to 6:00 pm IST 1800-180-3575 E-mail [email protected]