dismissal of case in absence of witnesses

case going on since 2012,
u/s.420 and 34.
two accused in Case.
I'm accused no.2.
main focus and allegations of case is on accused no.1.
upto now only complainant and one witness has been testified and cross examined.
summons sent to other witnesses but they are not coming.
so is there possibility that under such circumstances case be dismissed?
can advocate for accused under such circumstances apply for case to be dismissed?
kindly guide .
thankyou.