Micromax E455 Has stopped accepting the sim card on both slots.

Micromax E455 Has stopped accepting the sim card on both slots.because airplane mode automatic on.

problem,

1-Airplane mode automatic on when placed a call.

2-No signal bars are displayed on the screen.

3- Error while searching for network.

4- process.com.android phone stop unexpectedly while changing Network Mode from 3G to 2G

5- when calling then it display a massage Turn off your Airplane mode though it is turn off in setting and also it display cell radio is off.

Please help me to fixed these troubles.