How to recover data from SD card used as Internal Memory

I inserted Sandisk 32 GB SD card in my Phone running Android 6.0.1
I formatted the SD card as Internal Memory ( BIG..HUGE MISTAKE)

After few days When I rebooted my phone a message was seen in Notification area as :"REINSERT MEMORY CARD"
I tried it several times but it is not working

I have some Photos and Imporatant files in the SD card

Please help me to recover it.

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