When Maharashtra today sought a Rs. 6,000 crore aid from the Centre for sprucing up Mumbai, easing commuter travel, providing more drinking water and redeveloping slums, it made a departure from its habit of merely asking for a special grant.It pegged its demandon specific projects, either executed, under way or porposed. In the past, it had sought smaller sums, upward of Rs 1,000 crores, without success.