Canara Bank — the passbook mail sheet is not sending

Address:

S/o Chandra shanthigrama madenur hassan, Hassan, Karnataka, 573201

The passbook mail sheet is not sending in canara elnfobook in about 3 to 4 days the problem was connection error please try again sooo what i want to doo sir please help mee fast the error connection want to be corrected and the executive was taken the complaint and the complete is not solved and i have completed to the gmail given by executive please correct it