511.135.6 (083.74) (540) <br/>
       Rules for rounding off numerical values 
 / 
 .- Revised 
 .- New Delhi: Isi,  1960 
 .- IS : 2-1960. 
<br><U>Copy Details:</u><br> Acc. No.: <b>19240</b>, Full Call No.: 511.135.6 (083.74) (540) ,   Item type:  Written-off , Location: , <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>