Please translate the given English sentence to Hindi
राजा, पूर्व दूरसंचार सचिव सिद्धार्थ बेहुरा, राजा के पूर्व निजी सचिव आर के. चंदोलिया और स्वान टेलीकॉम के प्रमोटर शाहिद बलवा यहां स्थित तिहाड़ जेल में बंद हैं।
Former telecom minister A Raja, former telecom secretary Siddhartha Behura, Raja's personal secretary R K Chandolia and Swan Telecom promoter Shahid Usman Balwa were arrested earlier during the probe into the case and are presently lodged in Tihar Jail.