000			00338nam a2200145Ia 4500
003			PTTI
005			20251207204923.0
008			251207s9999 xx 000 0 und d
020			_c140
040			_aPTTI
245		0	_aknowledge and _cAMAL SHANKAR MITRA
260			_bRita pub. _aKolkata _cMay 2026-18
300			_a256 _bPBK
942			_cDELED
999			_c857 _d857