More than 1.11 crore postcards were written by people associated with the cooperative sector in Gujarat to express gratitude to Prime Minister Narendra Modi, setting a new Guinness World Record in the process, officials said.In all, 1,11,75,000 postcards were written to the PM, thanking him for GST reforms and several other measures, said a state government release. For the first time in the world such a large number of postcards were written simultaneously, and Guinness World Records officials awarded a certificate for the achievement on Tuesday after the counting.