Chandigarh: When four students of a government school in Punjab's Ferozepur district featured in the merit list of the state board exams, ending a 12-year wait, the overjoyed principal did not hesitate to fulfil their wish of air travel. Rakesh Sharma, the principal of Shaheed Gurdas Ram Memorial Government Senior Secondary School, at Zira in Ferozepur, is paying for the …