Hi Sumit! There are many project ideas available in the categories electronics and communication, wireless communication. If you search in Google using some keywords like "wireless communication project ideas", "wireless communication projects ideas for engineering students", "communication based projects", etc. you will get more number of suggestions.
Once look at some best examples for wireless communication projects mentioned below:
Wireless Power Transfer
Wireless Message Communication Between Two Computers
Wireless Electronic Notice Board Using GSM
Wireless Over Temperature Alarm
Automatic Wireless Health Monitoring System in Hospitals for Patients
War Field Spying Robot with Night Vision Wireless Camera
Wireless Audio Transmitter for TV
Check the following list of communication based project ideas for your reference:
Cell Phone Based DTMF Controlled Garage Door Opening System
Display of Dialed Telephone Numbers on Seven Segment Displays
Automatic Dialing to any Telephone Using I2C Protocol on Detecting Burglary
DTMF Based Load Control System
Cell Phone Controlled Robotic Vehicle
Tampered Energy Meter Information Conveyed to Concerned Authority by Wireless Communication
Railway Level Crossing Gate Control through SMS by the Station Master or the Driver
GSM Based Monthly Energy Meter Billing via SMS
Theft Intimation of the Vehicle Over SMS to Owner Who Can Stop the Engine Remotely
Flash Flood Intimation Over GSM Network
Integrated Energy Management System Based on GSM Protocol with Acknowledgement Feature
GSM Based Energy Meter Reading with Load Control
Railway Track Security System
Wireless Electronic Notice Board Using GSM
RFID Based Device Control and Authentication Using PIC Microcontroller
Theft Intimation of Vehicle Over SMS to Owner Who Can Stop the Engine Remotely
GSM Based Energy Meter Reading With Load Control Using PIC Microcontroller
I hope you may get some idea using the above project ideas list.