The scrip of Aditya Birla Nuvo declined 4.03 per cent to end at Rs 1,238.10 on BSE. During the day, it lost 6.36 per cent to Rs 1,208.
Grasim's scrip fell 1.89 per cent to settle at Rs 4,478.55. Intra-day, it went down 3.28 per cent to Rs 4,415.05.
Shares of Aditya Birla Nuvo and Grasim Industries had plunged 25 per cent and 8 per cent, respectively, in intra-day on Friday.
The boards of Aditya Birla Nuvo Ltd (ABNL) and Grasim Industries have approved the composite scheme of arrangement between the two firms and ABFSL.