Australia were 423 for six in their first innings against India on day 2 of the Adelaide Cricket test, when rain stopped the play for the second time. Earlier, after the hosts resumed the play at the overnight score of 354 for 6, rain played spoilsport and the proceedings were disrupted. Skipper Michael Clarke, who retired hurt yesterday with a back pain, opened the day today and was at the crease on 98.Steven Smith was playing on 103.