How to get back deleted data?

Don't worry. It's easy, you only need a great software who can handle your request.

I would suggest you to buy a software which come witha option of demo, first you run the demo version and if it will show you the files it will be able to recover, then only go with the buy option.

Here it is - Unistal Windows Data Recovery software. Few feature of this software is mentioned below:-

Productive options of FAT and NTFS information Recovery Software:
Complete Windows information Recovery from Corrupted,Damaged,Formatted and Deleted Partitions (FAT/NTFS)
Accidentally deleted files are recovered
Powerful search feature enhances speedy recovery
Save recovery choice offered 
Restores all sorts of files (Word, Excel, Access, MS PP, etc.) 
Unicode multiple lingual support 
Cloning and Imaging for arduous Disks with unhealthy sectors is initiated 
Recovers information from Logical Drives 
Restores deleted partition if MFT is fragmented and broken, though MFT Meta tags ar overwritten 
Recognizes drives though MBR, Boot record and Meta tags aren't gift 
Stimulates antecedently existed Partitions 
Bad Sector Management and Recovery (BSMR) helps in optimized recovery from broken Disks
Demo edition of the package provided to the shoppers