Pro Mini Problem

Heare one side i am using Arduino Pro Mini with RF Transmitter and another side i am using ArduinoUNO with RF Receiver, when i am download program into arduino promini it wil upload success fuly and it transmit data and other side arduinouno receives and displays in serial monitor.

Now problem is with arduino promini, when i remove Power Supply from promini and again connect it back with in a fraction of second this pro mini will not transmit , and again i want to upload the transmitter program then it will work fine.
Please provide information… i want to promini should work after disconnect and connect it back.