1.Open a Email id of the PAN HOLDER
2.Give the mobile number of the PAN HOLDER OR his relative one so that PIN No can be easily accessble
then u have three option
1.thorugh bank account no
2.through TAN No of TDS deductor of previous assessment year(26AS)
if u r not able to get reset by above two option than u have only one option left
i.e Pay nominal amount of tax against the PAN No for CURRENT ASSESSMENT YEAR
it will generate BSR CODE CHALLAN DATE & NUMBER
after 48 hour u can reset the password by entering the BSR CODE CHALLAN DATE & NUMBER