ERROR:
c:\\Users\\dhawal.vora>vagrant ssh `ssh` executable not found in any directories in the %PATH% variable. Is an SSH client installed? Try installing Cyg
You can alternatively install openssh from here and then you can add the ssh.exe to your PATH by:
openssh
ssh.exe
set PATH=%PATH%;C:\Program Files (x86)\OpenSSH\bin
or
set PATH=%PATH%;C:\Program Files\OpenSSH\bin