This happened here too in hyderabad on 15, 16 and 17 between 9:30 PM and 11 PM . Most of the web sites were not opening and neither was anything getting downloaded. But everthing was back to normal by 2 AM when I start my big downloads. May be BSNL guys were carrying out some maintenance activities during that time.But I should add, I have been using BSNL broadband ever since it was launched, and have never faced any major problems. I am one very satisfied customer of BSNL Broadband. :thumbsup:.Waiting for BSNL IPTV to be launched here.