Important Tips when you bring your device for data recovery

Do not open your hard drive, laptop hard drive  or any other media. It will make you to lose your data permanently.

Do not try with any free software to recover your data. Data recovery should be handle carefully by the experienced service engineer.

When you lost your data, if you want to recover it, do not make OS installation in that drive. After recovering the data properly, you can install the operating system.

Do not keep your data in C drive and My Document folder.