Narendra Modi has for the first time publicly acknowledged his wife drawing an instant taunt from Congress leader Digvijay Singh and strong defence from his brothers, who described the marriage as a "social formality".br br BJP's prime ministerial candidate acknowledged his marriage to Jashodaben for the first time in his affidavit filed along with his nomination papers in Vadodara Lok Sabha constituency yesterday. In the state assembly polls, he had left blank the column about spouse.