6 Teachers were going to picnic in train

Who can answer :

6 Teachers were going to picnic in train... Telugu..English.. Hindi..Social studies..Maths and science..

While going .

One thief stole a chain

Telugu teacher
Donga donga,

Eng teacher
Thief thief,

Hindi teacher
Chor chor,

S.S teacher
Samaj gataka,

Math teacher
420 420,

But
What does 'Science' teacher scream?

Scratch your brain.. answer me..

pass to all groups untill u