[Resolved]  BSNL — recharge voucher is invalid

Respected Sir,

I purchased the BSNL recharge boucher ( si no:[protected]) ON 29.02.08. from shri ram communication cyber cafe shop no.11 f block market alpha-ii, Greater Noida -UP. Since then I'm not getting the recharge value on my mobile and on rechaging properly the screan of mobile shows "the boucher is invalid" I contacted the costomer centre, B.S.N.L. office at dadri, and the shop owner a lot of time. they are blaming to one another instead of solving my problem. now what should I do...

the various numbers are as:
1). costomer care: [protected]
b.s.n.l. office dadri: [protected]
3).Shop owner :[protected], [protected]