Obama welcomes Indian PM at start of state visit   Group of DPJ lawmakers to visit China+   Imports restrain U.S. growth in Q3   3 Conn. lacrosse players accused of sexual assault   AIDS epidemic stabilizing, moving to 'endemic' phase: UNAIDS+   LEAD: Hatoyama, UNDP head pledge close cooperation in aiding Afghanistan+   6.8-magnitude underwater quake off Tonga   Home prices rise for 4th month in a row   Afghan AG's office says 15 ministers being probed   LEAD: Households to bear 130,000 yen to 765,000 yen burdens from 25% cut+   Home prices rise for 4th month in a row   Japan's Antarctic research team leaves Japan+   Economy's rebound not as strong as first thought   U.S. 3rd qtr real GDP revised downward to annualized 2.8% growth+   5TH LD: Abducted Japanese freed in Yemen, hopes to continue work there+   European stocks steady despite US growth downgrade   200,000 animals to be sacrificed at Nepal festival   Prostitute claims Berlusconi offered help with inn   India probe blames mosque attack on Hindu leaders   US third quarter growth revised down to 2.8%