Here is the Videocon V1451 which has a MTK 6252 CPU flash file download and flash the phone using Volcano Tool. Download Videocon V1451 Volcano Flash File here.
Detection initiated, connect the phone and power on it...
Vcc: null
Gnd: 2 7
RX: 3, TX: 5
Connecting...
Hardware version:CA04
Software version:0100
CPU TYPE:6252
Internal version:8B00
Boot downloading complete!
Flash ID: 00C2002500370000
Flash Type: SF_MX25U6435E
Chip Capacity: 0x800000(8MB)
Mobile phone software version for:U39901ZM580A1.0T23D0621
Baud adjust...complete.
Flash reading complete!
privacy:0000
usercode:0000
The data has been saved in C:\Users\-----\Desktop\videocon v1451\NOLLEC52_10A_6432_PCB01_GPRS_MT6252_S01.U39901ZM580A1_0T23D0621.BIN, size: 8 M
Vcc: null
Gnd: 2 7
RX: 3, TX: 5
Connecting...
Hardware version:CA04
Software version:0100
CPU TYPE:6252
Internal version:8B00
Boot downloading complete!
Flash ID: 00C2002500370000
Flash Type: SF_MX25U6435E
Chip Capacity: 0x800000(8MB)
Mobile phone software version for:U39901ZM580A1.0T23D0621
Baud adjust...complete.
Flash reading complete!
privacy:0000
usercode:0000
The data has been saved in C:\Users\-----\Desktop\videocon v1451\NOLLEC52_10A_6432_PCB01_GPRS_MT6252_S01.U39901ZM580A1_0T23D0621.BIN, size: 8 M
NOLLEC52_10A_6432_PCB01_GPRS_MT6252_S01.U39901ZM580A1_0T23D0621.bin
Note: Flash the phone using this flash file then format the phone.