Left-arm spinner Rangana Herath has been called up as his replacement for the second Test against Australia.
Lokuarachchi returns after serving a 4-month disciplinary ban following his involvement in a late-night car accident.
A delighted Rangana Herath praised the efforts of his team-mates after bowling Sri Lanka to their first Test win in South Africa at Kingsmead on Thursday.
Left-arm spinner Rangana Herath captured four more Pakistan wickets to take his match tally to a career best 13 as Sri Lanka edged closer to victory in Mahela Jayawardene's farewell Test on Sunday.
Sri Lanka sealed a place in the World Twenty20 semi-finals after left-arm spinner Rangana Herath bowled them to a 59-run victory over New Zealand in a decisive match in Chittagong on Monday.
Rangana Herath picked up four wickets while spin partner Milinda Siriwardana took three as Sri Lanka defeated West Indies by 72 runs on the fifth day of the second and final Test on Monday to win the series 2-0.
Joe Root's England will have to step up their game against the turning ball to escape that fate in the test series beginning at Galle on Tuesday.
Indian batsmen have done their homework and will not allow Sri Lanka's Rangana Herath to wreck them again at Galle, captain Virat Kohli said on the eve of the first Test between the neighbours on Tuesday.
Rangana Herath claimed three wickets for 25 runs as Sri Lanka beat Pakistan by 16 runs in the first semi-final of the World Twenty20 in Colombo on Thursday.
Having stayed under legendary Muuttiah Muralitharan's shadow for the better part of his career, Rangana Herath feels that being in and out of the side over last decade is like "bread and butter" for him.
With Pakistan chasing 136 for victory, the 39-year-old left arm spinner showed his class with a match-winning six for 43 in the second innings for a match haul of 11 wickets.
Opener Dimuth Karunaratne missed out on a maiden double hundred but his 238-run stand with fellow centurion Dinesh Chandimal set up Sri Lanka's first-innings total of 484 on day two against West Indies in the opening test at Galle on Thursday.
Pakistan leg spinner Danish Kaneria took five for 62 to help bowl Sri Lanka out for 233 on an action-packed second day of the third Test on Tuesday. Kaneria, playing his first game of the series, bowled superbly to give Pakistan a 66-run first-innings lead.
Sri Lanka and Australia shared the spoils on the opening day of the third and final Test on Friday, the tourists putting up 235 for five before bad light stopped play. A sedate knock of 81 off 207 balls by Shaun Marsh held the Australian innings together as they struggled for runs throughout the rain-interrupted day.
Sri Lanka beat Bangladesh by seven wickets in the second Test on Tuesday to win the two-match series 1-0.
Sri Lanka left out World Cup winners Sanath Jayasuriya and Chaminda Vaas from their final 15-man squad for this year's tournament.
Australia grabbed a handy 86-run lead in the first innings over Sri Lanka and dealt an early blow with the new ball before rain washed out the entire final session for the second consecutive day in the first Test at Pallekele on Wednesday.
Australia opener Phil Hughes scored his first Test hundred in 2-1/2 years on Monday as Sri Lanka pressed for a series levelling victory in the third and final Test.
Also returning to the 15-man squad, which will also take part in the upcoming Asia Cup tournament before the March 8-April 3 World Twenty20, was all-rounder Angelo Mathews.
Several injury-prone pace bowlers including Nuwan Zoysa, Dilhara Fernando and Nuwan Kulasekera have missed out
Sri Lanka off-spinner Dilruwan Perera took six wickets in the second innings for a match-haul of 10, as the hosts registered a thumping 278-run win over South Africa inside three days of the opening Test on Saturday.
Images from Day 5 in the first Test between India and Sri Lanka, in Ahmedabad, on Friday.
Sri Lanka seized control of the second Test against New Zealand on Friday as they reached 157 for two, a lead of 339 runs, at stumps on Day 3.
Rangana Herath exploited New Zealand's weakness against spin to claim six wickets as Sri Lanka scored a 10-wicket victory on the third day of the first Test in Galle on Monday.
Younis Khan scored 124 as to propel Pakistan to 298 for four at the close of the second day, a first innings lead of 90 in the second Test against Sri Lanka.
Sri Lanka defeated Pakistan by 201 runs on the final day of the first Test on Sunday.
Herath added three wickets to his previous day's removal of opener Kraigg Brathwaite (34) after taking six wickets in the first innings. He finished with match figures of 10-147.
The two spinners were summmoned as replacements for injured ace Muralitharan.
Pacers Dushmantha Chameera and Lahiru Gamage have been added to the Sri Lankan squad ahead of the third Test against India starting in Pallekele on Saturday.
Rangana Herath picked up seven wickets in a sublime display of left-arm spin bowling to power Sri Lanka to a spectacular comeback win by 63 runs against India on the fourth day of the opening test at Galle on Saturday.
England will be determined to get their act together against defending champions Sri Lanka.
The wily left-arm spinner picked up four wickets on the third day to complete his 23rd five-wicket haul in Tests.
Sri Lanka opener Kaushal Silva has recovered from a blow to the head he suffered while fielding last weekend to be named in the test squad for next month's tour of England.
Defending champions Sri Lanka secured a six wicket win over Afghanistan in their ICC World T20 Super 10 opener at the Eden Gardens on Thursday.
Sri Lanka has named its 15-member squad for the five-match ODI series against India next month, with notable omissions being former T20 captain Dinesh Chandimal and Lahiru Thirimanne.
Pakistan batsman Ahmed Shehzad has been provisionally suspended and charged with violating anti-doping regulations after he tested positive for a prohibited substance in May, the country's cricket board (PCB) has said.
He is on an 18-match unbeaten streak as India's Test captain, but Virat Kohli was left out of the ICC Test Team of the Year.
Senior Sri Lankan batsman Dinesh Chandimal admitted that his side cannot always use 'transition phase' as an excuse for the team not doing well in recent times. Ahead of their World T20 cricket match against England on Saturday, Chandimal blamed on "inexperience of middle-order" for their inconsistent performances of late but he added that players need to "put their hands up and perform". "You cannot always say transition. We need to put our hands up. We will give our best shot in the next game," Chandimal said when asked whether a team comprising of Tillakaratne Dilshan, him, Chamara Kapugedara, Angelo Mathews and Thisara Perera can be termed as inexperienced.
Australia will play two spinners in the first Test against Sri Lanka at Pallekele on Tuesday, captain Steve Smith said, as the world's top-ranked side eye a turnaround in their poor record on the slow pitches in Asia.
England batsman Joe Root and Sri Lanka spinner Rangana Herath have moved up to second positions in their respective ICC Test player rankings but failed to displace top-ranked batsman Steve Smith and bowler Ravichandran Ashwin.