Gandhi believed in mass participation and not in individual acts of fasting like Ramdev and anna Hazare. The link describes inb length what these present day 'Gandhians' did not learn from Gandhi.
There are none who matter in public life who genuinely practise 'Gandhism'! If some choose his name it is because they are shrewd enough to know that his name still 'sells'! We have only 'pseudos'!
