External Affairs Minister Sushma Swaraj on Tuesday said that a doctor is attending to an Indian medical student attacked by unknown assailants in the Russian republic of Tatarstan."I have got complete report on Yasir. An Indian doctor is treating him in Kazan Trauma Centre in Russia," Sushma Swaraj tweeted late on Tuesday.Her response came after an SOS was tweeted that Yasir, a medical student in Kazan, capital of Tatarstan, was attacked by "local goons".According to the tweet, Yasir, who hails from Srinagar, was in a state of coma after the attack and had lost all his money and documents.Sushma Swaraj said that she has also spoken to Indiam Ambassador to Russia, Pankaj Saran."He (Saran) will contact the trauma centre," she said, adding that Indian officials would visit the victim on Wednesday.Stating that she was pained to hear about this, Sushma Swaraj said that the issue would take up this issue with Russian authorities.