Jammu : Advisor to Governor BB Vyas has extended warm greetings to the people on Diwali and expressed hope that the auspicious occasion would be a harbinger of peace, progress and prosperity in the State of Jammu and Kashmir.In a message of greetings, Vyas hoped that the festival would further strengthen the bonds of communal harmony, brotherhood and secularism, which are the hallmarks of our cultural traditions since ages.