bhai therd ka nam sirf help help help mt rkha kro..Jo topic h vo rkha kro plzzz...and bhai jo 200 h vo aapne accept kr liye kya wllet m ja k received money m cheak kro..msg b aaya hoga mobile pr..

or bhai only change ho skta h nmr cheak official source method

HOW CAN I CHANGE MY PRIMARY NUMBER? WHAT
IS OTP?
You need to login MobiKwik.com, click on the ' Edit ' button
next to primary number and make the required change. And
when you click on it an OTP will be send at the number which
you want to make your primary number. OTP is a secure code
to ensure that there are no fraudulent transactions. Next,
confirm the OTP and make the required changes. If you still
face difficulty in changing your primary mobile number then
please share the details of the old & new number as well as
the Browser you are using to access Mobikwik.com To
Change the Primary Number,