Solution to Krypton 7

Today's clue:
Sad event to get rid of old experiment (3)

Solution: TRY = TRAGEDY - AGED

This has been solved by the following 16 persons:
R.Narayanan.
Srivina
R. Ravishankar.
Ravi Subramanian
S.R.Balasubramanian
S.Parthasarathy
Lakshmi Shankar
Bhuvana Sivaraman
Siddhan
Bala
Meenakshi Ganapathi
Raji Hariharan
Kesavan
R Padma
Ramani Balakrishnan 
Raja Rangarajan