India's campaign in the Fed Cup tennis tournament was off to a disastrous start with the team going down 0-3 in the opening match of the Asia/Oceania Zone Group I tie against hosts Thailand today. In the first singles match of pool A, 399th-ranked Prerna Bhambri lost 2-6 5-7 to world No.629 Bunyawi Thamchaiwat.In the secomd match, Ankita Rana, ranked 307, fought hard but went down 6-7, 3-6 to world No.149 Luksika Kumkhum. The downward slump continued in the doubles match with Prerna and Prarthana G. Thombare 7-6 , 2-6, 4-6 to Thailand's Kamonwan Buayam and Peangtarn Plipuech.