Very bad service in odisha . I buy the mmx 310c data card buy singnal not coming .very bad custmber support.i buy the data card from ebay on price rs.1000 and sim card price rs.500 but my mony west. what shoud I do now . I again I go to bsnl office for complain but noting happens thy tall me ok ok . no I avoide to bsnl and go for jio .now I and waiting for jio ftth connection.