@arihant_enterprises,
its almost on every portal today, actually due to holi celebrations and vacations people are logging in. just may be. its my guess.
Yes, there is some issue with HDFC PG as usual. HDFC has really poor technology, most of the times it is down. don't understand why doesn't eBay just discard HDFC and use some reputed PG like that of ICICI or Citibank.