MUMBAI, June 12 Reuters The Indian rupee may open marginally lower on Monday, bogged down by the decline in Asian currencies, to kick off a dataheavy week that includes the release of the U.S. inflation data and then the Federal Reserve rate decision.

Nondeliverable forwards indicate the rupee will open at around 82.50 to the U.S. dollar, compared with its close of 82.4625 in the previous session.

Rupee traders will be hoping for a little bit of volatility this week, a fx spot trader said. Apart from the absolutely crucial U.S. inflation and Fed, you have India inflation and the ECB, he said, referring to the European Central Bank39;s policy decision.

Asian currencies were down 0.2 to 0.4 and the dollar index inched higher. Shorter maturity U.S. yields rose the 2year was at its highest in two weeks supporting the dollar.

All eyes will be on the U.S. inflation data due Tuesday, just a day before the Fed interest rate decision. U.S. core inflation is expected to rise 0.4 monthonmonth and the headline by 0.2, according to a poll by Reuters.

Currently, futures are pricing in only a 1in4 chance of a rate hike on Wednesday.

But, the Bank of Canada39;s BOC and the Reserve Bank of Australia39;s RBA surprise hikes dictate complacency is not advisable, OCBC Treasury Research said in a note.

The ECB is expected to raise rates by 25 basis points on Thursday.

Meanwhile, India39;s inflation data is due later in the day. Economists reckon consumer inflation rose by 4.42 last…