Here is a news report detailing the mission and here's ISRO's twitter account with more info. The CARTOSAT-2 satellite weighs 714 kg and the remaining 103 satellites together weigh about 664 kg and will be launched aboard PSLV(Polar Satellite Launch Vehicle) on FEB 15th, 9:28 am IST(3:58 UTC/GMT). The previous record for most satellites in a single launch is held by Russia with 37 satellites.
We should start a challenge here if we haven't done so already! Its like a school bus dropping off children at different stops! Lets wait and watch how this goes.