Prayagraj: American billionaire businesswoman and philanthropist Laurene Powell Jobs — widow of Steve Jobs — reached the ashram of her guru, Swami Kailashnand Giri, the acharya Mahamandaleshwar of Niranjini Akhara, in Prayagraj. She will be staying at the camp till Jan. 15 before heading back to the US to participate in the swearing-in ceremony of…