I guess two missions are better than one.
QUOTE
"...PRL director Jitendra Goswami clarified that this did not mean that the Indo-Russian collaboration on planetary exploration had ended. Since Chandrayaan-2 was intended to be Roskosmos’ Luna-Glob moon exploration programme, the Russian agency may join hands with ISRO in any of its lunar missions, Dr. Murty said."
Resource: The HinduNevertheless, I hope this means enough space was left for the possible rejoining of these two missions. That would guarantee some level of financial certainty for both.