Reports say the man has accused his wife of ridiculing him a day after their wedding.
The two reportedly had a fight after which the man drank mosquito repellent and had to be taken to hospital.
On the eighth day of their marriage, the man allegedly mailed the "triple talaq" postcard to his address. Triple talaq allows Muslim men to get an instant divorce by saying the word "talaq" or divorce thrice.
Next month, the seniormost judges of the Supreme Court will take up petitions challenging triple talaq by women who have complained of being divorced on Facebook and WhatsApp .
The government has argued that these are a violation of fundamental rights guaranteed by the Constitution and do not form a part of the "essential religious practices" in Islam. Law Minister Ravi Shankar Prasad has said the government is in favour of triple talaq being abolished.
The Muslim personal law board, however, firmly believes that the court cannot interfere in matters of faith.
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