State Bank of India — No details about transaction provide

One of my friend named Vani Nayak having account in Vijayawada SBI branch.. Had noticed that from her account an ammount of 8000 was found to be missing... when we enquired the branch... we were told... the card was swiped... but to which account money was transfered no details has be given..the transaction was made in the form of 1001 quiet few times.. my friend claims she has not used ATM.. Please help...what should we do to get money back...the account statement says... Bill desk money was transfered .. wat is that even bank employee don have details on that...