Poor Umpiring - Has LBW rule changed for Tendulkar?

http://cricketnext.in.com/news/umpiring-howler-accounts-for-tendulkar-yet-again/37948-13.html

For the third time in a row, Sachin Tendulkar was on Tuesday done in by
poor umpiring in the current one-day series against Sri Lanka, being declared
leg before wicket in yet another dubious decision.
Tendulkar was declared
leg-before in the first ODI in Dambulla when the ball was clearly pitched
outside the leg stump, he fell LBW against in the second ODI when the ball was
missing the leg stump and was again ruled leg-before by Sri Lankan umpire Gamini
Silva on Tuesday when the ball was going down the leg side by an even wider
margin.
The three umpiring errors have meant that Tendulkar has made scores
of 5, 6 and 7 in the series so far.
True to his character, Tendulkar has not
shown any dissent although his disappointment was palpable.

Although Sachin is not showing any dissent towards wrong decisions, ICC/BCCI should act to put check on such poor umpiring decisions which is hurting and frustrating Sachin's fans. In the times when we have so many technical advancements, still why cricketers are facing wrong decisions?Or are umpiring proving their greatness by declaring Sachin out? (as per article in Maharashtra Times)