Section 21(1)(a) in The Andhra Pradesh Charitable and Hindu Religious Institutions and Endowments Act, 1987
(a)Where more than three ordinary meetings of the Board of Trustees have been held within a period of three consecutive months reckoned from the date of commencement of the term of office of the trustee or of the date of the last meeting which he attended or of the date of his restoration to the office as member under sub-section (2), as the case may be, if he absents himself from all such meetings; or