The PCR temperature profile consisted of 950C/3 minutes as initial denaturation and followed by 45 cycles of 950C/10 seconds, 500C/45 seconds, 720C/45 seconds and with a final extension of 720C for 3 minutes. The PCR amplified product was column purified using Mo Bio UltraClean PCR Clean-up Kit (Mo Bio Laboratories, Inc. California) as per the manufacturer’s instructions. The purified product was sequenced with forward and reverse primers using the Sanger’s sequencing method at SciGenom Labs, Cochin. The forward and reverse sequence was aligned and the consensus sequence was used for analysis. The phylogeny analysis was done using the MEGA5 software.