help me , my karbonn titanium octane plus (MT6592) not working - Android Q&A, Help & Troubleshooting

Device- karbonn titanium octane plus, rebrands - nibiru mars one H1, walton primo v1
i will try to be as informative as possible.
I found my phone off in my pocket, tried to turn it on but freezes on boot/logo screen for some seconds and displays some random horizontal lines on over the logo screen like it crashed or something.
also charging logo screen(screen before the charging animation screen appears) shows some lines and reboots again to charging logo screen and do not shows charging animation.
i was using stock ROM , I thought i would flash stock ROM again using TWRP(installed earlier) but recovery is not opening.
So I tried connecting to my laptop.
In the past, I've used SP flash tool to flash recoveries, it worked fine.
drivers are fine.
now it rarely detects "MediaTek preloader usb vcom port" like it should be, but mostly it detects "MTK usb port" which is useless and don't works.
flashing works only when "MediaTek preloader usb vcom port" is detected and don't work when "MTK usb port".
when "MTK usb port" is detected, SP flash tool just detects, doesn't do anything and after some seconds shows error "S_DL_GET_DRAM_SETTING_FAIL" and solution "Please check your image to matches with your phone which is to be downloaded." please do not focus here as device should have detected as "MediaTek preloader usb vcom port".
when it rarely detects "MediaTek preloader usb vcom port", the flashing process starts but strucks in the middle and fails.
drivers installed in laptop are correct .
what should i do now ???
any other tools can i use ?

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I think u have to install again drivers and vcom driver.Did u try format and download option in spflash tool??

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luvchandu said:
I think u have to install again drivers and vcom driver.Did u try format and download option in spflash tool??
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yes, tried format+download option
at the time of this main post i got this error
https://drive.google.com/file/d/0B13R3B9-w5DYTXpLS0xoLV8xMW8/view?usp=sharing
i tried today and got this error
https://drive.google.com/open?id=0B13R3B9-w5DYNEUtX05HR3V1OVk
i have installed these drivers
https://drive.google.com/open?id=0B13R3B9-w5DYR0RyN2Y4a0xoUjA

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Download rom again and try

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luvchandu said:
Download rom again and try
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Click to collapse
ROM is good, theres no problem with it.
did u saw those images ??
problem is phone is not detected as it should be, ot should be detected as MTK vcom or preloader or something other than simple USB port.
Drivers are installed correctly.
it gives different error different times like in previous images i had post.

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Bro i have googled the errors and i found that it is compatibility issue.What is your rom version tell me. I will send you the download link.
---------- Post added at 04:04 AM ---------- Previous post was at 04:01 AM ----------
Bro i have googled the errors and i found that it is compatibility issue.What is your mobiles rom version tell me.It is given on the back side of the phone,remove the battery and check. I will send you the download link.

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luvchandu said:
Bro i have googled the errors and i found that it is compatibility issue.What is your mobiles rom version tell me.It is given on the back side of the phone,remove the battery and check. I will send you the download link.
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Click to collapse
here is shot of phone
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
thanks, but i have the correct ROM. see
downloaded from https://firmwarefile.com/karbonn-titanium-octane-plus