Kerala is set to popularise ayurveda therapies among tourists during the monsoon which arrives in the last week of May an official said on Tuesday. Popular therapies like 'age halt programme' combine ayurvedic treatment and travel to attract tourists. The Kerala Tourism Development Corporation (KTDC) has tied up with Santhigiri Ashram for providing ayurvedic therapies at its various centres across the state. The duration of the packages ranges from one to 21 days and the cost varies from Rs.1900 to Rs.192500. ‘Our age halt programme launched in 2012 has sparked huge interest among the tourists both in India and abroad.