 bill no 15 of 2006 the constitution (one hundred and fifth amendment) bill, 2006 a billfurther to amend the constitution of indiabe it enacted by parliament in the fifty-seventh year of the republic  of india as follows:— statement  of  objects  and  reasonsproviso to clause (1) of article 164 of the constitution provides that there shall be a minister in charge of tribal welfare who may in addition be in charge of the welfare of the scheduled castes and backward classes or any other work in the states of bihar, madhya pradesh and orissa2 the new states of chhattisgarh and jharkhand came into being with the enactment of the madhya pradesh reorganisation act, 2000 and the bihar reorganisation act, 2000, with effect from 1st november, 2000 and 15th november, 2000, respectively consequent upon the creation of the state of chhattisgarh and jharkhand, a sizable portion of the scheduled areas of the erstwhile state of madhya pradesh stands transferred to chhattisgarh and the entire scheduled areas of the former bihar state stand transferred to the newly formed jharkhand state and the scheduled areas were redefined as per the scheduled areas (states of chhattisgarh, jharkhand and madhya pradesh) order, 2003 (co 192) further, as per census figures of 2001, the percentage of the scheduled tribes population to total population in the four states are  as follows:—| name of the state   | percentage of the scheduled tribes   ||---------------------|--------------------------------------|| population to total |                                      || (i)                 | bihar                                || (ii)                | jharkhand                            || (iii)               | chhattisgarh                         || (iv)                | madhya pradesh                       |3 as there are no scheduled areas in bihar now and the fraction of population of the scheduled tribes is very small, it is proposed to exclude bihar from the purview of the said proviso and also proposed to extend the provisions of clause (1) of article 164 to the newly formed states of chhattisgarh and jharkhand4 this bill seeks to achieve the above objectsnew delhi;shivraj  v  patilthe 20th january, 2006 annexure extract from the constitution of india    other provisions as to ministers164  (1) the chief minister shall be appointed by the governor and the other ministers shall be appointed by the governor on the advice of the chief minister, and the ministers shall hold office during the pleasure of the governor:provided that in the states of bihar, madhya pradesh and orissa, there shall be a minister in charge of tribal welfare who may in addition be in charge of the welfare of the scheduled castes and backward classes or any other work     lok  sabha—————a billfurther to amend the constitution of india—————(shri shivraj v patil, home minister)mgipmrnd—5642ls(s4)—22-02-2006