New Delhi: The government has received as many as 3,763 complaints against banks with respect to credit card charges as of July 1 in this fiscal, Minister of State for Finance Namo Narain Meena informed Parliament.

The government received complaints against banks and financial institutions for their deficient services and practices related to credit cards like undue penal charges, late payment charges, issue of unsolicited cards and harassing telephone calls.

"Complaints on non-adherence by banks to the instructions of RBI on ATM/debit card or credit card operations are considered under the RBI's banking ombudsman scheme," he said in a written reply to the Lok Sabha.

A total of 7,744 such complaints were received in 2012-13, and 5,146 complaints in 2011-12, he said.

In reply to a separate question on exposure of PSBs to real estate sector, he said, "As on September 30, 2013, PSBs' exposure to real estate sector as maintained by RBI is 6.39 lakh crore."

In another separate reply, Meena said PSBs invested 16,118 crore in the mutual funds and stock market as at the end of September 2013.

In 2012-13, PSBs had invested Rs 45,850 crore in funds and stock market, 44,713 crore in 2011-12 and 41,492 crore in 2010-11, the Minister said.