The entire stake was bought by another promoter Sudarshan Electronics and TV.
According to the block deal data available with BSE, Summit Securities disposed of 17.92 lakh shares or 10.83 per cent stake in RPG.
The shares were offloaded at an average price of Rs 441.85, valuing the transaction at Rs 79.18 crore, the data showed.
Sudarshan Electronics and TV purchased the shares for Rs 79.18 crore.
RPG Life Sciences' stock settled for the day on BSE at Rs 460.6o, up 3.20 per cent from the previous close.
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