chennai man murdered grandmother korrukupet tuesday fed favourite lunch fish curry rice angered insistence return mother borrowed bolted doors theater watched tv bled identified woman visalakshi lived alone home karumariamman nagar second street korukkupet assailant daughter amudha son sathish lunch visalakshi sathish argument money satish slashed blade hit neighbour came ask noise sathish blamed tv said grandmother gone locked house sat watching tv grandmother set wound called mother said visalakshi injured pass mother rushed korrukupet subscribe visalakshi stanley government hospital declared absolutely police become visalakshi home sathish still watching tv drunken stupor rk nagar police registered case arrested sathish seized blade hammer used kill visalakshi sathish remanded judicial custody said visalakshi iron out sathish amudha return lakh given construct new house four years ago amudha borrowed money others build theater red j j hill unable reward money amudha strained sell new house settle loans gave lakh mother promised return remain lakh earliest however delayed payment visalakshi called abused daughter grandson several times police say