In order to start SSH session through command prompt first copy the putty.exe to system32 folder in windows.
then give the following command
putty 192.168.0.1 -l login_id -pw password -ssh
-l : to pass user login details
-pw to pass password of the user
-ssh represents to make ssh connection to the client
Note: without -ssh putty will make the default connection configured( telnet/SSH).