Bharat Sanchar Nigam — BSNL data card (EVDO) signal very low with fluctuating

I, Bidhan Chandra Biswas, Madhyamgram, BSNL CDMA Data card No-[protected](EVDO)in the district Bidhannagar of calcutta telephone circle, observing, since last seven days, the signal of my data card (EVDO) has been very much fluctuating with loe signaling, even maxm. time the signal tower not available. For that I am unable to connecting internet and not fulfiling my required job. My internet requirement is very much suffering.This time also tried to lodge this complain in the bsnl.sparshindia.com/complaint portal but not submitting and also So many time trying to lodge & submit this complaint but not docket no.giving nor submitting by that bsnl portal.Is it one type of avoiding or not taking the complaint?