Vishnu Guptan G. <br/><br/>
50 divasangalkkullil hindi samsarikkam / 
by Vishnu Guptan G. 
 - Chennai :  Sura Books,  2012. Chennai :  Sura Books,  2014. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>ISBN: </label>9788184496185 
<br/><br/><label>Subjects--Index Terms: </label>Spoken Hindi