Sambuvarayan believed that Umapati - deva had divine powers .
Sambuvarayan granted him the village of Alpakkam ( modern Arapakkam ) , comprising 167 velis of land , as a tax - free endowment .
Believing that Umapati - deva had divine powers , Sambuvarayan granted him the village of Alpakkam ( modern Arapakkam ) , comprising 167 velis of land , as a tax - free endowment .