how to apply for CA ipcc,the last date to register for the may appear.And how to clear in a first attempt
It might be end of this year. U need to start regular practice of all the syllabus in IPCC. U can easily clear in First Attempt.
Thanks,
Azim

Last date was in February 2018 and has already passed. You should now opt for November attempt.
All dates given below.
https://www.charteredclub.com/procedure-for-submitting-ca-examination-form-online/
To clear CA iPCC check following preparing tips:
https://finapp.co.in/20-hacks-to-pass-ca-ipcc-30-days/