"These are autonomous institutions and public resources, open to all Indian citizens, and not the property or fief of any political party, government in power, ideological cabal, or department of this or that ministry," the statement issued by Gandhi, film personality Girish Karnad, historian Romila Thapar and research scholar Ananya Vajpeyi said.
They said Teen Murti library's essential task, standing and autonomy must not be "impaired or distorted".
"A public debate involving historians, conservationists, educationists, cultural decision-makers and other stakeholders must be had before any changes are authorised to one of our most valued institutions of higher learning," it said.
The library and the museum transcend "differences of Left and Right", the statement said, adding that let there be bigger, better libraries, newer more technologically advanced museums which will be welcomed by all.
In a massive overhaul of cultural entities, the Ministry of Culture has decided to revamp 39 institutions and museums like Gandhi Smriti and NMML here to introduce modern Indian component including the Modi government's works.