The senior BJP leader, however, said his personal view was that the people of the country have a right to know the truth on the Netaji issue.
"The West Bengal government has made public certain confidential files related to Netaji. It is good... It needs to be studied what is there in those files before the Centre takes such a decision, its impact on the international community, our relations with other countries, neighbouring countries, needs to be studied.
Seventy years after his mysterious disappearance, 64 files running into nearly 13,000 pages were declassified yesterday which shows some of Netaji's family members were spied upon in independent India.
However, there was no clarity on whether Bose died in an air crash in 1945 as is widely believed.
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The files have been kept inside glass cases at the Kolkata Police Museum before they are made accessible to the public on Monday.
West Bengal Chief Minister Mamata Banerjee has demanded that the Centre declassify files pertaining to the nationalist leader and said that it is unfortunate that the mystery of Netaji's disappearance has remained unresolved for 70 years.
Some of Netaji's family members have rejected the theory that he had died in a plane crash in Taihoku airport in Taiwan on August 18, 1945.