"You are levying a tax on faith. You are commercialising our religion. This is condemnable," she said.
"Is our religion a commercial venture for you? The opening for Kartarpur corridor will bring the message of peace and harmony but you are commercialising it," she alleged.
The union minister said that India had never levied fees on pilgrims from neighbouring countries to visit religious places including Ajmer Sharif.
"Pilgrims arrive in India each year in lakhs to visit Ajmer Sharif and other places but India never thought of levying fees of any sort," she said.
"I am happy that the agreement is being signed on October 23, just two days prior to the deadline. I wondered about the reason for the deadlock was as everything was almost finalised," she said.
India has repeatedly asked Pakistan to "reconsider" its decision to charge USD 20 as a fee from pilgrims visiting the Gurdwara. However, Pakistan has remained adamant on the issue.
Prime Minister Narendra Modi will inaugurate the corridor, connecting the Dera Baba Nanak shrine in Punjab's Gurdaspur with Darbar Sahib Gurdwara in Pakistan on November 8.