Can Preamble of Constitution be amended without altering date? SC to hear plea in April to delete ‘secular’ &‘social

A bench of Justices Sanjiv Khanna and Dipankar Datta posed the question to former Rajya Sabha MP Subramanian Swamy and lawyer Vishnu Shankar Jain, who have sought deletion of the words ‘Socialist’ and ‘Secular’ from the Preamble of the Constitution.