Regarding Registration of Representative Assessee for a deceased

Select the user type: Individual from the list of options available. Click on 'Continue'. Apart from Individuals, only these users can register themselves on the e-filing website: i) Hindu Undivided Family (HUF), ii) Other than Individual/HUF, iii) External Agency, iv) Chartered Accountants, v) Tax Deductor and Collector and vi) Third Party Software Utility Developer.
 

Sir my query is as I m the only certified Legal heir of deceased mother so weather adding of Representative Assessee will do now from My deceased mother ID or my ID. 

You have to register it from your ID.....