Lyon will enjoy bowling with amount of bounce here: Finch

Perth: Australian opener Aaron Finch believes the second Test against India is going to be a "real grind" and off-spinner Nathan Lyon will play an important role considering the amount of bounce on offer at the Perth wicket here.

Finch and Marcus Harris put on 112 runs for the opening partnership after which Australia finished the day at 277-6.

"It's going to be one of those games that will be a real grind for both sides. The position we're in we would have taken at the start of the day, no doubt, especially winning the toss and batting," Finch told reporters.

"I think Nathan Lyon will enjoy bowling with the amount of bounce on this track, no doubt he will be excited to bowl here," added the opener, who scored 50 in Australia's first innings on Friday.

Finch said batsmen can become indecisive sometimes while playing on this wicket.

"When the ball starts seaming off good parts of the wicket and quite dramatically at times, I think that's when you know you need to tighten up," he said.

"But you have to also be in a position to cash in on some balls that you can hit, otherwise you get stuck in two minds and end up letting the wicket get you out.

"So you have to be really proactive and take that out of play as much as you can," he added, on how he and Harris batted on this wicket."

India struck back with three wickets each in the second and third sessions, but Australia seemed to enjoy slight advantage after being 277-6 at stumps.

Asked about making the Indian bowlers work hard, Finch said: "Our plan was to bat on this wicket regardless of what happened in Adelaide, the heat and getting miles into their legs.

"That was our plan to bat first anyway and take that challenges head on. No doubt it might play a factor later in this game, or third or fourth Test, but it was always our plan to bat (after winning the toss)."

Talking about his partner young Harris, who scored his maiden Test half-century at his home ground, Finch said, "I think what everyone's seen from him so far, not a lot fazes him. He's a pretty chilled out character who just goes with the flow and that's the way he's always been.

"He's a great guy, but I think the tightness of his technique he covers his off stump, looks to hit down the ground and for such a short guy that can be quite unique at times."