"I believe the government at the Centre is run by RSS. It is an RSS government. You are confused, I am not confused at all," she told reporters here.
On Hindutva and Sanskritisation "pursued" by BJP, she alleged it was a process of political motive to change the character of the Indian state to a majoritarian Hindu one and implement the agenda first through Home, Education and Culture Ministries.
She referred to a 1999 meet chaired by then Union Minister Murli Manohar Joshi, saying it was boycotted by even NDA allies like Chandrababu Naidu-led TDP on Sanskritisation.
Stressing that a process has been on since then, she said each time this government came to power, their agenda was on the "question of culture and education" and to push it.
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"Today you have a brute majority government and quite naturally this agenda will be taken forward much more aggressively and it is being taken forward."
Asked if she would move court on the issue, Teesta said "there is constant discussion among us on whether you can go to court on policy matters or build resistance otherwise."
On attacks on worship places in Northern India, she said these could not have happened without vilification campaign against Christians and conversions.
"Whether it was the attack on nun in West Bengal or Churches in Delhi it happens because of a systematic campaign built about Christians, Muslims and Dalits and it allows social sanction for violence."
On communal polarisation vis-a-vis the social media, she said "you see certain pattern trolling in Twitter and Facebook and it is not spontaneous."
There is "huge money" being spent in creating a mood in social media which was not spontaneous, she said and added that there was a "deliberate attempt to polarise and provoke."
She expressed solidarity with Tamil writers like Perumal Murugan who were targeted by some caste groups and supporters of RSS for "offensive content."