1- Charge Micromax Q346 upto 70 percent.
2- Switch off device.
3- Press & Hold Power and Volume UP key.
4- Recovery mode will appear.
5- Select Wipe Data/Factory Reset using Volume down key & Press Power to enter.
6- Select Yes-delete all user data using Volume down key & Press Power to enter.
7- After Wiping of Data has been completed, Reboot System now using Power key.
8- Code or pattern has been reset.