Mysore/Mysuru: Manjula Shankar, wife of sandalwood’s renowned actor-producer late M.P. Shankar, passed away yesterday following a heart attack.  She was 75. Manjula Shankar was hospitalised a few days ago following illness. She was diagnosed with heart-related ailments and angiogram was performed. Funeral took place at Vidyaranyapuram burial grounds in city yesterday, according to family sources….