Bulk/Block: Nath Bio - buy - Satpal Khattar (200k shrs @Rs493). Ajmera Realty - inter promoter transfer (1.6m shrs @Rs205). TCI Express - sell - Manulife Global (226k shrs @Rs697). Mahindra Life -- buy - First State Inv (465k shrs @Rs500); sell - Small Cap World Fund (2.6m shrs @Rs502).