New Delhi:Welcoming the passage of the anti-paper leak bill by the Parliament, Prime Minister Narendra Modi on Thursday vowed to make India's exam system more robust, while reiterating his government is committed in taking stringent actions against paper leak gangs in the country. In yet another video on his social media accounts, the prime minister said the passage of the anti-paper leak bill is a historic moment for India. He said more steps would be taken in further strengthening the examination system, saying the entire country needs to move ahead together to realise the dream of 'Viksit Bharat'. For decades, successive state and central governments have continued to deal with paper leak incident, which is why it had become necessary to bring examination reforms, he pointed out. A significant step has now been taken towards achieving a reliable examination system.