Nope. Just tell the recruiter that you are on bench and you can be released within 30-60 days. Never resign without an offer, unless you count yourself top of the class.

Software Engineer

I'm also thinking same as almost I applied in 80 companies and appeared in 1 interview and 1 is in pipeline. 
 Can't understand where the market is going as jobs are getting listed but no hiring it seems

Data engineer

I'm in TCS I do not have any offer at present, if I resign and didn't get any offer I'll need to revoke my resign.
In this case someone told me that I cannot

I'm in TCS I do not have any offer at present, if I resign and didn't get any offer I'll need to revoke my resign.
In this case someone told me that I cannot resign again till 6 months and then need to serve 3 months notice again. is this right?
 Please let me know in comments.

I don't have any offer should I resign or not?