Applied 7.4V between GND and RST pin.

I tried doing LOOP BACK TEST as suggested by many on this post, and the board successfully passed the test. Now i need help in burning the bootloader to Promini as I want to try everything possible before actually replacing the SMD chip.
I connected everything as usual i.e Promini, FTDI USB adaptor and connected to my laptop. I then tried burning bootloader from the Arduino IDE but failed. I tried selecting each and every type of programmer(as i wasn't sure which type of programmer i am using) present by default in IDE but still it didn't succeed.

Do Burning Bootloader requires one to connect to SCK, MOSI, MISO pins of arduino OR simply the way i upload sketches...??

I have another option of burning via using another arduino as ISP programmer but don't hv right now....
Please Help me guys...